Manual > Control Reference > Routes > Route Methods

Determine whether it is daylight saving time (Day, Light, Saving) from the date and time.

syntax

DST(

time

[,format]

[,timeZone]

)

Parameters

time
	Type:	time
	Date and time.

format
	Type:	character
	Date and time format name. If empty, the time zone specified by timeZone (third argument) is used.

timeZone

Type:

character

Time zone. If empty, the time zone will be determined by the format (second argument).

*If both format/timeZone are specified, timeZone takes priority.

Return Value

Type:

Boolean

FALSE : Standard time

TRUE : Daylight Saving Time

#N/A# : Unidentifiable

Explanation

Supported

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Script Action

○

Browser script

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Calculation Expression Syntax

reference