Function

isInDaylightSavingTime( date, timezone )

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

Parameters

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

Returns

Boolean

Examples

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

Feature compatibility

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 Mobile	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	Incompatible	Cannot be used to configure a process event node, such as a start event or timer event.