Date-time must be a POSIXct, POSIXlt, Date, chron, yearmon, yearqtr, zoo, zooreg, timeDate, xts, its, ti, jul, timeSeries, and fts objects.
date(x)date(x) <- value
the date of x as a Date
a date-time object
an object for which the date()
function is defined
date()
can be called without any arguments to return a string representing
the current date-time. This provides compatiblity with base:date()
which
it overrides.
date()
does not yet support years before 0 C.E.
Also date()
is not defined for Period objects.
x <- ymd_hms("2012-03-26 23:12:13", tz = "America/New_York")
date(x)
as.Date(x) # by default as.Date assumes you want to know the date in UTC
as.Date(x, tz = "America/New_York")
date(x) <- as.Date("2000-01-02")
x
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