Date-time must be a POSIXct, POSIXlt, Date, Period, chron, yearmon, yearqtr, zoo, zooreg, timeDate, xts, its, ti, jul, timeSeries, and fts objects.
hour(x) hour(x) <- value
| x | a date-time object |
|---|---|
| value | numeric value to be assigned to the |
the hours element of x as a decimal number
#> [1] 0hour(x) <- 1 hour(x) <- 25 hour(x) > 2#> [1] FALSE