isInDaylightSavingTime() Function

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Function

isInDaylightSavingTime( date, timezone )

Returns whether the given date and timezone are in daylight saving time.

Keyword	Type	Description
date	Date	The date in which the expression should evaluate.
timezone	Text	The string Id of a timezone.

You can copy and paste these examples into the Expression Rule Designer to see how this works.

isInDaylightSavingTime(date(2005,12,13),"America/Los_Angeles") returns false

The table below lists this function's compatibility with various features in Appian.

Feature	Compatibility	Note
Portals	Partially compatible	Can be used with Appian Portals if it is connected using an integration and web API.
Offline Interfaces	Compatible
Sync-Time Custom Record Fields	Incompatible
Real-Time Custom Record Fields	Incompatible	Custom record fields that evaluate in real time must be configured using one or more Custom Field functions.
Process Reports	Incompatible	Cannot be used to configure a process report.
Process Events	Partially compatible	If autoscale is enabled, can be used to configure a supported process event node (such as a start event or timer event).
Process Autoscaling	Compatible	Can be used in autoscaled processes.
Event Consumer Filter Conditions	Compatible	Can be used in filter conditions.
Event Consumer Event Handlers	Compatible	Can be used in event handler expressions.

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