package timmy-jsoo

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include module type of Timmy.Timezone

A timezone.

A timezone.

Type

A timezone.

Construction

val of_gmt_offset_seconds : int -> t

of_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 -> t

of_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 : t

utc is the UTC timezone.

Usage

val gmt_offset_seconds_at_datetime : t -> date:(int * int * int) -> time:(int * int * int) -> int

gmt_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.

val gmt_offset_seconds_at_time : t -> Ptime.t -> int

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 -> string

name tz is the IANA name of tz, if it could be determined.

val native : t

native is a system specific implementation that relies on the underlying system to adjust for evolving timezones.

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