| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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; |
| -- Offset in minutes |
| |
| Unknown_Zone_Error : exception; |
| |
| function Local_Time_Offset (Date : Time := Clock) return Time_Offset; |
| function UTC_Time_Offset (Date : Time := Clock) return Time_Offset |
| renames Local_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; |
