Time zones
Use this function to define world time zones.
World time zones are used to convert dates and times sent to Production Scheduler to the primary time standard "UTC" (Coordinated Universal Time).
UTC (Coordinated Universal Time) is the equivalent of GMT/GT (Greenwich Mean Time/Greenwich Time).
The rules that determine when Daylight Saving Time (DST) starts or ends can change, and for some time zones changes every year. For Production Scheduler to correctly convert between a time zone and UTC you enter and update time zone information using a set procedure, as follows - you must be careful to make changes in the order below:
- Define the world time zones.
You define world time zones in this function (TIMEZONEINFO).
Once defined, you must set the PSTIMEZONE - Server time zone parameter (EXAPP chapter, MIS group) to the time zone in which your server is located. - Define daylight Saving Time (DST) transition rules for world time zones in the Change to daylight saving time function (TIMETRANS).
- Define transition rules to Daylight Saving Time (DST) across world time zones in the Adjustment rules of daylight saving time function (TIMEADJUST).
Screen management
The Time zones function displays existing time zones in a grid, or table.
Presentation
Each line of the table represents a world or regional time zone with the UTC offset defined.
The time zones are used by the system to convert dates and times sent to Production Scheduler to the primary time standard "UTC" (Coordinated Universal Time).
Close
Fields presentation
Close
Action panel
Save |
Click the Save action to create or add a new time zone and UTC offset. Note:
Click the quick Edit |
Examples
By its own definition, a time zone standard time or Daylight Saving Time (DST) will change.
The following scenarios demonstrate when DST changes are required and which functions to use.
- The daylight-saving time transition day changes:
- Use the Change to daylight saving time function (TIMETRANS) to add a new transition rule, if required.
- Use the Adjustment rules of daylight saving time function (TIMEADJUST) to add a new adjustment rule.
- A new time zone is created for your location:
- Use the Change to daylight saving time function (TIMETRANS) to add a new transition rule, if required.
- Use the Adjustment rules of daylight saving time function (TIMEADJUST) to add a new adjustment rule.
- Use the Time zones function (TIMEZONEINFO) to add the new time zone.
- Your time zone stops using DST:
- Use the Adjustment rules of daylight saving time function (TIMEADJUST) to add a new adjustment rule.
- Your time zone starts using DST:
- Use the Change to daylight saving time function (TIMETRANS) to add a new transition rule, if required.
- Use the Adjustment rules of daylight saving time function (TIMEADJUST) to add a new adjustment rule.
- Use the Time zones function (TIMEZONEINFO) to reference the new adjustment rule (in the Daylight saving time field (TADCOD)).