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package timmy
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Library
Module
Module type
Parameter
Class
Class type
Library
Module
Module type
Parameter
Class
Class type
A timezone.
A Timezone.t maps local time to universal time and inversely by providing the offset in seconds between UTC and local time. This offset is dependent on the date, to accommodate for timezones with daylight saving times.
A timezone.
Type
Construction
val of_gmt_offset_seconds : int -> tof_gmt_offset_seconds s is a timezone with a fixed offset of s seconds from UTC. In other words, localtime = UTC + offset.
val of_implementation :
offset_calendar_time_s:
(date:(int * int * int) -> time:(int * int * int) -> int) ->
offset_timestamp_s:(unix_timestamp:Stdlib.Int64.t -> int) ->
string ->
tof_implementation ~offset_calendar_time_s ~offset_timestamp_s builds a timezone by providing an implementation of the offset computation from both a date and a timestamp (in seconds).
val utc : tutc is the UTC timezone.
Usage
val gmt_offset_seconds_at_datetime :
t ->
date:(int * int * int) ->
time:(int * int * int) ->
intgmt_offset_seconds_at_datetime tz ~date ~time is the number of seconds that offset from UTC, for the given date (year, month, day) and time (hour, minute, second).
Note: In case of an ambiguous date, any of the two valid Time.t will be picked depending on the implementation.
gmt_offset_seconds_at_time tz timestamp is the number of seconds that offset from UTC, at the time given by a unix timestamp (Ptime.t). In other words, localtime = UTC + offset.
val name : t -> stringname tz is the IANA name of tz, if it could be determined.
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