lubridate (version 0.2.6)

dst: 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

x

a date-time object

Value

• Daylight savings time flag. Positive if in force, zero if not, negative if unknown.

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.

Examples

x <- now()
dst(x)