Date-time must be a POSIXct, POSIXlt, Date, chron,
  yearmon, yearqtr, zoo, zooreg, timeDate, xts, its, ti,
  jul, timeSeries, and fts objects.

methods

utilities

chron

Lubridate makes it easier to work with dates
    and times by providing functions to identify and parse
    date-time data, extract and modify components of a
    date-time (years, months, days, hours, minutes, and
    seconds), perform accurate math on date-times, handle
    time zones and Daylight Savings Time. Lubridate has a
    consistent, memorable syntax, that makes working with
    dates fun instead of frustrating.

dst: Get Daylight Savings Time indicator of a date-time.

Description

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Details

Examples