package timmy-jsoo
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timmy-jsoo.clock
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package timmy-jsoo
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include module type of Timmy.Timezone
A timezone.
A timezone.
Type
type t = Timmy.Timezone.tA timezone.
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: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.
val native : tnative is a system specific implementation that relies on the underlying system to adjust for evolving timezones.