33 lines
1.7 KiB
Ada
33 lines
1.7 KiB
Ada
------------------------------------------------------------------------------
|
|
-- --
|
|
-- GNAT RUN-TIME COMPONENTS --
|
|
-- --
|
|
-- A D A . C A L E N D A R . T I M E _ Z O N E S --
|
|
-- --
|
|
-- S p e c --
|
|
-- --
|
|
-- This specification is derived from the Ada Reference Manual for use with --
|
|
-- GNAT. In accordance with the copyright of that document, you can freely --
|
|
-- copy and modify this specification, provided that if you redistribute a --
|
|
-- modified version, any changes that you have made are clearly indicated. --
|
|
-- --
|
|
------------------------------------------------------------------------------
|
|
|
|
-- This package provides routines to determine the offset of dates to GMT.
|
|
-- It is defined in the Ada 2005 RM (9.6.1).
|
|
|
|
package Ada.Calendar.Time_Zones is
|
|
|
|
-- Time zone manipulation
|
|
|
|
type Time_Offset is range -(28 * 60) .. 28 * 60;
|
|
|
|
Unknown_Zone_Error : exception;
|
|
|
|
function UTC_Time_Offset (Date : Time := Clock) return Time_Offset;
|
|
-- Returns (in minutes), the difference between the implementation-defined
|
|
-- time zone of Calendar, and UTC time, at the time Date. If the time zone
|
|
-- of the Calendar implementation is unknown, raises Unknown_Zone_Error.
|
|
|
|
end Ada.Calendar.Time_Zones;
|