Date
Provide bindings to JS date. (See
Date
on MDN.) JavaScript stores dates as the number of milliseconds since the UNIX
epoch, midnight 1 January 1970, UTC.
t
type t
valueOf
let valueOf: t => float
Returns the primitive value of this date, equivalent to getTime()
. (See
Date.valueOf
on MDN.)
Examples
RESCRIPTJs.Date.valueOf(exampleDate) == 123456654321.0
make
let make: unit => t
Returns a date representing the current time. See Date()
Constructor
on MDN.
Examples
RESCRIPTlet now = Js.Date.make()
fromFloat
let fromFloat: float => t
Returns a date representing the given argument, which is a number of
milliseconds since the epoch. See Date()
Constructor
on MDN.
Examples
RESCRIPTJs.Date.fromFloat(123456654321.0) == exampleDate
fromString
let fromString: string => t
Returns a Js.Date.t
represented by the given string. The string can be in
“IETF-compliant RFC 2822 timestamps, and also strings in a version of ISO8601.”
Returns NaN
if given an invalid date string. According to the Date()
Constructor
documentation on MDN, its use is discouraged.
Examples
RESCRIPTJs.Date.fromString("Thu, 29 Nov 1973 21:30:54.321 GMT") == exampleDate
Js.Date.fromString("1973-11-29T21:30:54.321Z00:00") == exampleDate
Js.Date.fromString("Thor, 32 Lok -19 60:70:80 XYZ") // returns NaN
makeWithYM
let makeWithYM: (~year: float, ~month: float, unit) => t
Returns a date representing midnight of the first day of the given month and
year in the current time zone. Fractional parts of arguments are ignored. See
Date()
Constructor
on MDN.
Examples
RESCRIPTlet november1 = Js.Date.makeWithYM(~year=2020.0, ~month=10.0, ())
makeWithYMD
let makeWithYMD: (~year: float, ~month: float, ~date: float, unit) => t
Returns a date representing midnight of the given date of the given month and
year in the current time zone. Fractional parts of arguments are ignored. See
Date()
Constructor
on MDN.
makeWithYMDH
let makeWithYMDH: (
~year: float,
~month: float,
~date: float,
~hours: float,
unit,
) => t
Returns a date representing the given date of the given month and year, at zero
minutes and zero seconds past the given hours
, in the current time zone.
Fractional parts of arguments are ignored. See Date()
Constructor
on MDN. Fractional parts of the arguments are ignored.
makeWithYMDHM
let makeWithYMDHM: (
~year: float,
~month: float,
~date: float,
~hours: float,
~minutes: float,
unit,
) => t
Returns a date representing the given date of the given month and year, at zero
seconds past the given time in hours and minutes in the current time zone.
Fractional parts of arguments are ignored. See Date()
Constructor
on MDN.
makeWithYMDHMS
let makeWithYMDHMS: (
~year: float,
~month: float,
~date: float,
~hours: float,
~minutes: float,
~seconds: float,
unit,
) => t
Returns a date representing the given date of the given month and year, at the
given time in hours, minutes, and seconds in the current time zone. Fractional
parts of arguments are ignored. See Date()
Constructor
on MDN.
Examples
RESCRIPTJs.Date.makeWithYMDHMS(
~year=1973.0,
~month=11.0,
~date=29.0,
~hours=21.0,
~minutes=30.0,
~seconds=54.321,
(),
) == exampleDate
utcWithYM
let utcWithYM: (~year: float, ~month: float, unit) => float
Returns a float representing the number of milliseconds past the epoch for
midnight of the first day of the given month and year in UTC. Fractional parts
of arguments are ignored. See
Date.UTC
on MDN.
Examples
RESCRIPTlet november1 = Js.Date.utcWithYM(~year=2020.0, ~month=10.0, ())
utcWithYMD
let utcWithYMD: (~year: float, ~month: float, ~date: float, unit) => float
Returns a float representing the number of milliseconds past the epoch for
midnight of the given date of the given month and year in UTC. Fractional parts
of arguments are ignored. See
Date.UTC
on MDN.
utcWithYMDH
let utcWithYMDH: (
~year: float,
~month: float,
~date: float,
~hours: float,
unit,
) => float
Returns a float representing the number of milliseconds past the epoch for
midnight of the given date of the given month and year, at zero minutes and
seconds past the given hours in UTC. Fractional parts of arguments are ignored.
See
Date.UTC
on MDN.
utcWithYMDHM
let utcWithYMDHM: (
~year: float,
~month: float,
~date: float,
~hours: float,
~minutes: float,
unit,
) => float
Returns a float representing the number of milliseconds past the epoch for
midnight of the given date of the given month and year, at zero seconds past
the given number of minutes past the given hours in UTC. Fractional parts of
arguments are ignored. See
Date.UTC
on MDN.
utcWithYMDHMS
let utcWithYMDHMS: (
~year: float,
~month: float,
~date: float,
~hours: float,
~minutes: float,
~seconds: float,
unit,
) => float
Returns a float representing the number of milliseconds past the epoch for midnight of the given date of the given month and year, at the given time in hours, minutes and seconds in UTC. Fractional parts of arguments are ignored.
See
Date.UTC
on MDN.
now
let now: unit => float
Returns the current time as number of milliseconds since Unix epoch.
parse
Deprecated
Please use fromString
instead
let parse: string => t
parseAsFloat
let parseAsFloat: string => float
Returns a float with the number of milliseconds past the epoch represented by
the given string. The string can be in “IETF-compliant RFC 2822 timestamps, and
also strings in a version of ISO8601.” Returns NaN
if given an invalid date
string. According to the
Date.parse
documentation on MDN, its use is discouraged. Returns NaN
if passed invalid
date string.
getDate
let getDate: t => float
Returns the day of the month for its argument. The argument is evaluated in the
current time zone. See
Date.getDate
on MDN.
Examples
RESCRIPTJs.Date.getDate(exampleDate) == 29.0
getDay
let getDay: t => float
Returns the day of the week (0.0-6.0) for its argument, where 0.0 represents
Sunday. The argument is evaluated in the current time zone. See
Date.getDay
on MDN.
Examples
RESCRIPTJs.Date.getDay(exampleDate) == 4.0
getFullYear
let getFullYear: t => float
Returns the full year (as opposed to the range 0-99) for its argument. The
argument is evaluated in the current time zone. See
Date.getFullYear
on MDN.
Examples
RESCRIPTJs.Date.getFullYear(exampleDate) == 1973.0
getHours
let getHours: t => float
Returns the hours for its argument, evaluated in the current time zone. See
Date.getHours
on MDN.
Examples
RESCRIPTJs.Date.getHours(exampleDate) == 22.0 // Vienna is in GMT+01:00
getMilliseconds
let getMilliseconds: t => float
Returns the number of milliseconds for its argument, evaluated in the current
time zone. See
Date.getMilliseconds
on MDN.
Examples
RESCRIPTJs.Date.getMilliseconds(exampleDate) == 321.0
getMinutes
let getMinutes: t => float
Returns the number of minutes for its argument, evaluated in the current time
zone. See
Date.getMinutes
on MDN.
Examples
RESCRIPTJs.Date.getMinutes(exampleDate) == 30.0
getMonth
let getMonth: t => float
Returns the month (0.0-11.0) for its argument, evaluated in the current time
zone. January is month zero. See
Date.getMonth
on MDN.
Examples
RESCRIPTJs.Date.getMonth(exampleDate) == 10.0
getSeconds
let getSeconds: t => float
Returns the seconds for its argument, evaluated in the current time zone. See
Date.getSeconds
on MDN.
Examples
RESCRIPTJs.Date.getSeconds(exampleDate) == 54.0
getTime
let getTime: t => float
Returns the number of milliseconds since Unix epoch, evaluated in UTC. See
Date.getTime
on MDN.
Examples
RESCRIPTJs.Date.getTime(exampleDate) == 123456654321.0
getTimezoneOffset
let getTimezoneOffset: t => float
Returns the time zone offset in minutes from the current time zone to UTC. See
Date.getTimezoneOffset
on MDN.
Examples
RESCRIPTJs.Date.getTimezoneOffset(exampleDate) == -60.0
getUTCDate
let getUTCDate: t => float
Returns the day of the month of the argument, evaluated in UTC. See
Date.getUTCDate
on MDN.
Examples
RESCRIPTJs.Date.getUTCDate(exampleDate) == 29.0
getUTCDay
let getUTCDay: t => float
Returns the day of the week of the argument, evaluated in UTC. The range of the
return value is 0.0-6.0, where Sunday is zero. See
Date.getUTCDay
on MDN.
Examples
RESCRIPTJs.Date.getUTCDay(exampleDate) == 4.0
getUTCFullYear
let getUTCFullYear: t => float
Returns the full year (as opposed to the range 0-99) for its argument. The
argument is evaluated in UTC. See
Date.getUTCFullYear
on MDN.
Examples
RESCRIPTJs.Date.getUTCFullYear(exampleDate) == 1973.0
getUTCHours
let getUTCHours: t => float
Returns the hours for its argument, evaluated in the current time zone. See
Date.getUTCHours
on MDN.
Examples
RESCRIPTJs.Date.getUTCHours(exampleDate) == 21.0
getUTCMilliseconds
let getUTCMilliseconds: t => float
Returns the number of milliseconds for its argument, evaluated in UTC. See
Date.getUTCMilliseconds
on MDN.
Examples
RESCRIPTJs.Date.getUTCMilliseconds(exampleDate) == 321.0
getUTCMinutes
let getUTCMinutes: t => float
Returns the number of minutes for its argument, evaluated in UTC. See
Date.getUTCMinutes
on MDN.
Examples
RESCRIPTJs.Date.getUTCMinutes(exampleDate) == 30.0
getUTCMonth
let getUTCMonth: t => float
Returns the month (0.0-11.0) for its argument, evaluated in UTC. January is
month zero. See
Date.getUTCMonth
on MDN.
Examples
RESCRIPTJs.Date.getUTCMonth(exampleDate) == 10.0
getUTCSeconds
let getUTCSeconds: t => float
Returns the seconds for its argument, evaluated in UTC. See
Date.getUTCSeconds
on MDN.
Examples
RESCRIPTJs.Date.getUTCSeconds(exampleDate) == 54.0
getYear
Deprecated
Use getFullYear
instead.
let getYear: t => float
setDate
let setDate: (t, float) => float
Sets the given Date
’s day of month to the value in the second argument
according to the current time zone. Returns the number of milliseconds since
the epoch of the updated Date
. This function modifies the original Date
.
See
Date.setDate
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let twoWeeksBefore = Js.Date.setDate(date1, 15.0)
date1 == Js.Date.fromString("1973-11-15T21:30:54.321Z00:00")
twoWeeksBefore == Js.Date.getTime(date1)
setFullYear
let setFullYear: (t, float) => float
Sets the given Date
’s year to the value in the second argument according to
the current time zone. Returns the number of milliseconds since the epoch of
the updated Date
. This function modifies the original Date
. See
Date.setFullYear
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let nextYear = Js.Date.setFullYear(date1, 1974.0)
date1 == Js.Date.fromString("1974-11-15T21:30:54.321Z00:00")
nextYear == Js.Date.getTime(date1)
setFullYearM
let setFullYearM: (t, ~year: float, ~month: float, unit) => float
Sets the given Date
’s year and month to the values in the labeled arguments
according to the current time zone. Returns the number of milliseconds since
the epoch of the updated Date
. This function modifies the original Date
.
See
Date.setFullYear
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let future = Js.Date.setFullYearM(date1, ~year=1974.0, ~month=0.0, ())
date1 == Js.Date.fromString("1974-01-22T21:30:54.321Z00:00")
future == Js.Date.getTime(date1)
setFullYearMD
let setFullYearMD: (
t,
~year: float,
~month: float,
~date: float,
unit,
) => float
Sets the given Date
’s year, month, and day of month to the values in the
labeled arguments according to the current time zone. Returns the number of
milliseconds since the epoch of the updated Date
. This function modifies the
original Date
. See
Date.setFullYear
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let future = Js.Date.setFullYearMD(date1, ~year=1974.0, ~month=0.0, ~date=7.0, ())
date1 == Js.Date.fromString("1974-01-07T21:30:54.321Z00:00")
future == Js.Date.getTime(date1)
setHours
let setHours: (t, float) => float
Sets the given Date
’s hours to the value in the second argument according to
the current time zone. Returns the number of milliseconds since the epoch of
the updated Date
. This function modifies the original Date
. See
Date.setHours
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let nextHour = Js.Date.setHours(date1, 22.0)
date1 == Js.Date.fromString("1973-11-29T22:30:54.321Z00:00")
nextHour == Js.Date.getTime(date1)
setHoursM
let setHoursM: (t, ~hours: float, ~minutes: float, unit) => float
Sets the given Date
’s hours and minutes to the values in the labeled
arguments according to the current time zone. Returns the number of
milliseconds since the epoch of the updated Date
. This function modifies the
original Date
. See
Date.setHours
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setHoursM(date1, ~hours=22.0, ~minutes=46.0, ())
date1 == Js.Date.fromString("1973-11-29T22:46:54.321Z00:00")
futureTime == Js.Date.getTime(date1)
setHoursMS
let setHoursMS: (
t,
~hours: float,
~minutes: float,
~seconds: float,
unit,
) => float
Sets the given Date
’s hours, minutes, and seconds to the values in the
labeled arguments according to the current time zone. Returns the number of
milliseconds since the epoch of the updated Date
. This function modifies the
original Date
. See
Date.setHours
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setHoursMS(date1, ~hours=22.0, ~minutes=46.0, ~seconds=37.0, ())
date1 == Js.Date.fromString("1973-11-29T22:46:37.321Z00:00")
futureTime == Js.Date.getTime(date1)
setHoursMSMs
let setHoursMSMs: (
t,
~hours: float,
~minutes: float,
~seconds: float,
~milliseconds: float,
unit,
) => float
Sets the given Date
’s hours, minutes, seconds, and milliseconds to the values
in the labeled arguments according to the current time zone. Returns the number
of milliseconds since the epoch of the updated Date
. This function modifies
the original Date
. See
Date.setHours
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setHoursMSMs(
date1,
~hours=22.0,
~minutes=46.0,
~seconds=37.0,
~milliseconds=494.0,
(),
)
date1 == Js.Date.fromString("1973-11-29T22:46:37.494Z00:00")
futureTime == Js.Date.getTime(date1)
setMilliseconds
let setMilliseconds: (t, float) => float
Sets the given Date
’s milliseconds to the value in the second argument
according to the current time zone. Returns the number of milliseconds since
the epoch of the updated Date
. This function modifies the original Date
.
See
Date.setMilliseconds
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setMilliseconds(date1, 494.0)
date1 == Js.Date.fromString("1973-11-29T21:30:54.494Z00:00")
futureTime == Js.Date.getTime(date1)
setMinutes
let setMinutes: (t, float) => float
Sets the given Date
’s minutes to the value in the second argument according
to the current time zone. Returns the number of milliseconds since the epoch of
the updated Date
. This function modifies the original Date
. See
Date.setMinutes
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setMinutes(date1, 34.0)
date1 == Js.Date.fromString("1973-11-29T21:34:54.494Z00:00")
futureTime == Js.Date.getTime(date1)
setMinutesS
let setMinutesS: (t, ~minutes: float, ~seconds: float, unit) => float
Sets the given Date
’s minutes and seconds to the values in the labeled
arguments according to the current time zone. Returns the number of
milliseconds since the epoch of the updated Date
. This function modifies the
original Date
. See
Date.setMinutes
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setMinutesS(date1, ~minutes=34.0, ~seconds=56.0, ())
date1 == Js.Date.fromString("1973-11-29T21:34:56.494Z00:00")
futureTime == Js.Date.getTime(date1)
setMinutesSMs
let setMinutesSMs: (
t,
~minutes: float,
~seconds: float,
~milliseconds: float,
unit,
) => float
Sets the given Date
’s minutes, seconds, and milliseconds to the values in the
labeled arguments according to the current time zone. Returns the number of
milliseconds since the epoch of the updated Date
. This function modifies the
original Date
. See
Date.setMinutes
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setMinutesSMs(
date1,
~minutes=34.0,
~seconds=56.0,
~milliseconds=789.0,
(),
)
date1 == Js.Date.fromString("1973-11-29T21:34:56.789Z00:00")
futureTime == Js.Date.getTime(date1)
setMonth
let setMonth: (t, float) => float
Sets the given Date
’s month to the value in the second argument according to
the current time zone. Returns the number of milliseconds since the epoch of
the updated Date
. This function modifies the original Date
. See
Date.setMonth
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setMonth(date1, 11.0)
date1 == Js.Date.fromString("1973-12-29T21:34:56.789Z00:00")
futureTime == Js.Date.getTime(date1)
setMonthD
let setMonthD: (t, ~month: float, ~date: float, unit) => float
Sets the given Date
’s month and day of month to the values in the labeled
arguments according to the current time zone. Returns the number of
milliseconds since the epoch of the updated Date
. This function modifies the
original Date
. See
Date.setMonth
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setMonthD(date1, ~month=11.0, ~date=8.0, ())
date1 == Js.Date.fromString("1973-12-08T21:34:56.789Z00:00")
futureTime == Js.Date.getTime(date1)
setSeconds
let setSeconds: (t, float) => float
Sets the given Date
’s seconds to the value in the second argument according
to the current time zone. Returns the number of milliseconds since the epoch of
the updated Date
. This function modifies the original Date
. See
Date.setSeconds
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setSeconds(date1, 56.0)
date1 == Js.Date.fromString("1973-12-29T21:30:56.321Z00:00")
futureTime == Js.Date.getTime(date1)
setSecondsMs
let setSecondsMs: (t, ~seconds: float, ~milliseconds: float, unit) => float
Sets the given Date
’s seconds and milliseconds to the values in the labeled
arguments according to the current time zone. Returns the number of
milliseconds since the epoch of the updated Date
. This function modifies the
original Date
. See
Date.setSeconds
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setSecondsMs(date1, ~seconds=56.0, ~milliseconds=789.0, ())
date1 == Js.Date.fromString("1973-12-29T21:30:56.789Z00:00")
futureTime == Js.Date.getTime(date1)
setTime
let setTime: (t, float) => float
Sets the given Date
’s value in terms of milliseconds since the epoch. Returns
the number of milliseconds since the epoch of the updated Date
. This
function modifies the original Date
. See
Date.setTime
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setTime(date1, 198765432101.0)
date1 == Js.Date.fromString("1976-04-19T12:37:12.101Z00:00")
futureTime == Js.Date.getTime(date1)
setUTCDate
let setUTCDate: (t, float) => float
Sets the given Date
’s day of month to the value in the second argument
according to UTC. Returns the number of milliseconds since the epoch of the
updated Date
. This function modifies the original Date
. See
Date.setUTCDate
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let twoWeeksBefore = Js.Date.setUTCDate(date1, 15.0)
date1 == Js.Date.fromString("1973-11-15T21:30:54.321Z00:00")
twoWeeksBefore == Js.Date.getTime(date1)
setUTCFullYear
let setUTCFullYear: (t, float) => float
Sets the given Date
’s year to the value in the second argument according to
UTC. Returns the number of milliseconds since the epoch of the updated Date
.
This function modifies the original Date
. See
Date.setUTCFullYear
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let nextYear = Js.Date.setUTCFullYear(date1, 1974.0)
date1 == Js.Date.fromString("1974-11-15T21:30:54.321Z00:00")
nextYear == Js.Date.getTime(date1)
setUTCFullYearM
let setUTCFullYearM: (t, ~year: float, ~month: float, unit) => float
Sets the given Date
’s year and month to the values in the labeled arguments
according to UTC. Returns the number of milliseconds since the epoch of the
updated Date
. This function modifies the original Date
. See
Date.setUTCFullYear
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let future = Js.Date.setUTCFullYearM(date1, ~year=1974.0, ~month=0.0, ())
date1 == Js.Date.fromString("1974-01-22T21:30:54.321Z00:00")
future == Js.Date.getTime(date1)
setUTCFullYearMD
let setUTCFullYearMD: (
t,
~year: float,
~month: float,
~date: float,
unit,
) => float
Sets the given Date
’s year, month, and day of month to the values in the
labeled arguments according to UTC. Returns the number of milliseconds since
the epoch of the updated Date
. This function modifies the original Date
.
See
Date.setUTCFullYear
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let future = Js.Date.setUTCFullYearMD(date1, ~year=1974.0, ~month=0.0, ~date=7.0, ())
date1 == Js.Date.fromString("1974-01-07T21:30:54.321Z00:00")
future == Js.Date.getTime(date1)
setUTCHours
let setUTCHours: (t, float) => float
Sets the given Date
’s hours to the value in the second argument according to
UTC. Returns the number of milliseconds since the epoch of the updated Date
.
This function modifies the original Date
. See
Date.setUTCHours
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let nextHour = Js.Date.setUTCHours(date1, 22.0)
date1 == Js.Date.fromString("1973-11-29T22:30:54.321Z00:00")
nextHour == Js.Date.getTime(date1)
setUTCHoursM
let setUTCHoursM: (t, ~hours: float, ~minutes: float, unit) => float
Sets the given Date
’s hours and minutes to the values in the labeled
arguments according to UTC. Returns the number of milliseconds since the epoch
of the updated Date
. This function modifies the original Date
. See
Date.setUTCHours
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setUTCHoursM(date1, ~hours=22.0, ~minutes=46.0, ())
date1 == Js.Date.fromString("1973-11-29T22:46:54.321Z00:00")
futureTime == Js.Date.getTime(date1)
setUTCHoursMS
let setUTCHoursMS: (
t,
~hours: float,
~minutes: float,
~seconds: float,
unit,
) => float
Sets the given Date
’s hours, minutes, and seconds to the values in the
labeled arguments according to UTC. Returns the number of milliseconds since
the epoch of the updated Date
. This function modifies the original Date
.
See
Date.setUTCHours
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setUTCHoursMS(date1, ~hours=22.0, ~minutes=46.0, ~seconds=37.0, ())
date1 == Js.Date.fromString("1973-11-29T22:46:37.321Z00:00")
futureTime == Js.Date.getTime(date1)
setUTCHoursMSMs
let setUTCHoursMSMs: (
t,
~hours: float,
~minutes: float,
~seconds: float,
~milliseconds: float,
unit,
) => float
Sets the given Date
’s hours, minutes, seconds, and milliseconds to the values
in the labeled arguments according to UTC. Returns the number of milliseconds
since the epoch of the updated Date
. This function modifies the original
Date
. See
Date.setUTCHours
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setUTCHoursMSMs(
date1,
~hours=22.0,
~minutes=46.0,
~seconds=37.0,
~milliseconds=494.0,
(),
)
date1 == Js.Date.fromString("1973-11-29T22:46:37.494Z00:00")
futureTime == Js.Date.getTime(date1)
setUTCMilliseconds
let setUTCMilliseconds: (t, float) => float
Sets the given Date
’s milliseconds to the value in the second argument
according to UTC. Returns the number of milliseconds since the epoch of the
updated Date
. This function modifies the original Date
. See
Date.setUTCMilliseconds
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setUTCMilliseconds(date1, 494.0)
date1 == Js.Date.fromString("1973-11-29T21:30:54.494Z00:00")
futureTime == Js.Date.getTime(date1)
setUTCMinutes
let setUTCMinutes: (t, float) => float
Sets the given Date
’s minutes to the value in the second argument according
to the current time zone. Returns the number of milliseconds since the epoch of
the updated Date
. This function modifies the original Date
. See
Date.setUTCMinutes
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setUTCMinutes(date1, 34.0)
date1 == Js.Date.fromString("1973-11-29T21:34:54.494Z00:00")
futureTime == Js.Date.getTime(date1)
setUTCMinutesS
let setUTCMinutesS: (t, ~minutes: float, ~seconds: float, unit) => float
Sets the given Date
’s minutes and seconds to the values in the labeled
arguments according to UTC. Returns the number of milliseconds since the epoch
of the updated Date
. This function modifies the original Date
. See
Date.setUTCMinutes
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setUTCMinutesS(date1, ~minutes=34.0, ~seconds=56.0, ())
date1 == Js.Date.fromString("1973-11-29T21:34:56.494Z00:00")
futureTime == Js.Date.getTime(date1)
setUTCMinutesSMs
let setUTCMinutesSMs: (
t,
~minutes: float,
~seconds: float,
~milliseconds: float,
unit,
) => float
Sets the given Date
’s minutes, seconds, and milliseconds to the values in the
labeled arguments according to UTC. Returns the number of milliseconds since
the epoch of the updated Date
. This function modifies the original Date
.
See
Date.setUTCMinutes
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setUTCMinutesSMs(
date1,
~minutes=34.0,
~seconds=56.0,
~milliseconds=789.0,
(),
)
date1 == Js.Date.fromString("1973-11-29T21:34:56.789Z00:00")
futureTime == Js.Date.getTime(date1)
setUTCMonth
let setUTCMonth: (t, float) => float
Sets the given Date
’s month to the value in the second argument according to
UTC. Returns the number of milliseconds since the epoch of the updated Date
.
This function modifies the original Date
. See
Date.setUTCMonth
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setUTCMonth(date1, 11.0)
date1 == Js.Date.fromString("1973-12-29T21:34:56.789Z00:00")
futureTime == Js.Date.getTime(date1)
setUTCMonthD
let setUTCMonthD: (t, ~month: float, ~date: float, unit) => float
Sets the given Date
’s month and day of month to the values in the labeled
arguments according to UTC. Returns the number of milliseconds since the epoch
of the updated Date
. This function modifies the original Date
. See
Date.setUTCMonth
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setUTCMonthD(date1, ~month=11.0, ~date=8.0, ())
date1 == Js.Date.fromString("1973-12-08T21:34:56.789Z00:00")
futureTime == Js.Date.getTime(date1)
setUTCSeconds
let setUTCSeconds: (t, float) => float
Sets the given Date
’s seconds to the value in the second argument according
to UTC. Returns the number of milliseconds since the epoch of the updated
Date
. This function modifies the original Date
. See
Date.setUTCSeconds
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setUTCSeconds(date1, 56.0)
date1 == Js.Date.fromString("1973-12-29T21:30:56.321Z00:00")
futureTime == Js.Date.getTime(date1)
setUTCSecondsMs
let setUTCSecondsMs: (t, ~seconds: float, ~milliseconds: float, unit) => float
Sets the given Date
’s seconds and milliseconds to the values in the labeled
arguments according to UTC. Returns the number of milliseconds since the epoch
of the updated Date
. This function modifies the original Date
. See
Date.setUTCSeconds
on MDN.
Examples
RESCRIPTlet date1 = Js.Date.fromFloat(123456654321.0) // 29 November 1973 21:30:54.321 GMT
let futureTime = Js.Date.setUTCSecondsMs(date1, ~seconds=56.0, ~milliseconds=789.0, ())
date1 == Js.Date.fromString("1973-12-29T21:30:56.789Z00:00")
futureTime == Js.Date.getTime(date1)
setUTCTime
let setUTCTime: (t, float) => float
Same as setTime()
.
setYear
Deprecated
Use setFullYear
instead
let setYear: (t, float) => float
toDateString
let toDateString: t => string
Returns the date (day of week, year, month, and day of month) portion of a
Date
in English. See
Date.toDateString
on MDN.
Examples
RESCRIPTJs.Date.toDateString(exampleDate) == "Thu Nov 29 1973"
toGMTString
Deprecated
Use toUTCString
instead
let toGMTString: t => string
toISOString
let toISOString: t => string
Returns a simplified version of the ISO 8601 format for the date. See
Date.toISOString
on MDN.
Examples
RESCRIPTJs.Date.toISOString(exampleDate) == "1973-11-29T21:30:54.321Z"
toJSON
Deprecated
This method is unsafe. It will be changed to return option in a future
release. Please use toJSONUnsafe instead.
let toJSON: t => string
toJSONUnsafe
let toJSONUnsafe: t => string
Returns a string representation of the given date. See
Date.toJSON
on MDN.
toLocaleDateString
let toLocaleDateString: t => string
Returns the year, month, and day for the given Date
in the current locale
format. See
Date.toLocaleDateString
on MDN.
Examples
RESCRIPTJs.Date.toLocaleDateString(exampleDate) == "11/29/1973" // for en_US.utf8
Js.Date.toLocaleDateString(exampleDate) == "29.11.73" // for de_DE.utf8
toLocaleString
let toLocaleString: t => string
Returns the time and date for the given Date
in the current locale format.
See
Date.toLocaleString
on MDN.
Examples
RESCRIPTJs.Date.toLocaleString(exampleDate) == "11/29/1973, 10:30:54 PM" // for en_US.utf8
Js.Date.toLocaleString(exampleDate) == "29.11.1973, 22:30:54" // for de_DE.utf8
toLocaleTimeString
let toLocaleTimeString: t => string
Returns the time of day for the given Date
in the current locale format. See
Date.toLocaleTimeString
on MDN.
Examples
RESCRIPTJs.Date.toLocaleString(exampleDate) == "10:30:54 PM" // for en_US.utf8
Js.Date.toLocaleString(exampleDate) == "22:30:54" // for de_DE.utf8
toString
let toString: t => string
Returns a string representing the date and time of day for the given Date
in
the current locale and time zone. See
Date.toString
on MDN.
Examples
RESCRIPTJs.Date.toString(
exampleDate,
) == "Thu Nov 29 1973 22:30:54 GMT+0100 (Central European Standard Time)"
toTimeString
let toTimeString: t => string
Returns a string representing the time of day for the given Date
in the
current locale and time zone. See
Date.toTimeString
on MDN.
Examples
RESCRIPTJs.Date.toTimeString(exampleDate) == "22:30:54 GMT+0100 (Central European Standard Time)"
toUTCString
let toUTCString: t => string
Returns a string representing the date and time of day for the given Date
in
the current locale and UTC (GMT time zone). See
Date.toUTCString
on MDN.
Examples
RESCRIPTJs.Date.toUTCString(exampleDate) == "Thu, 29 Nov 1973 21:30:54 GMT"