Is x a POSIXct or POSIXlt object?

is.POSIXt(x)

is.POSIXlt(x)

is.POSIXct(x)

Arguments

x

an R object

Value

TRUE if x is a POSIXct or POSIXlt object, FALSE otherwise.

See also

is.instant(), is.timespan(), is.Date()

Examples

is.POSIXt(as.Date("2009-08-03")) # FALSE
#> [1] FALSE
is.POSIXt(as.POSIXct("2009-08-03")) # TRUE
#> [1] TRUE