Last data update: 2014.03.03
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R: Get Daylight Savings Time indicator of a date-time.
Get Daylight Savings Time indicator of a date-time.
Description
Date-time must be a POSIXct, POSIXlt, Date, chron, yearmon, yearqtr, zoo,
zooreg, timeDate, xts, its, ti, jul, timeSeries, and fts objects.
Usage
dst(x)
Arguments
Details
A date-time's daylight savings flag can not be set because it depends on the
date-time's year, month, day, and hour values.
Value
A logical. TRUE if DST is in force, FALSE if not, NA if unknown.
Examples
x <- ymd("2012-03-26")
dst(x)
Results
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