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[ date->dst ]


[Date->DST] returns 1 if the date object is in daylight saving time, 0 if the date object is in standard time, or -1 if the date object's status is undetermined.

  • Syntax
Date Object->DST
  • Beginner

To test whether a date is in daylight saving time:

Use the [Date->DST] method. The following examples test whether a date object is in daylight saving time. For 2011 in the United States, daylight saving time starts at March 13, 2:00 AM.


date('2011-03-12 08:00:00')->dst
date('2011-03-13 08:00:00')->dst



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