| Sys.time {base} | R Documentation |
Sys.time and Sys.Date returns the system's idea of the
current date with and without time, and Sys.timezone returns
the current time zone.
Sys.time() Sys.Date() Sys.timezone()
Sys.time returns an absolute date-time value which can be
converted in various time zones and may return different days.
Sys.Date returns the day in the current timezone.
Sys.time returns an object of class "POSIXct" (see
DateTimeClasses). On some systems it will have sub-second
accuracy, but on others it will increment in seconds.
On systems conforming to POSIX 1003.1-2001 the time will be reported
in microsecond increments.
Sys.Date returns an object of class "Date" (see Date).
Sys.timezone returns an OS-specific character string, possibly
an empty string. It may be possible to set the timezone via the
environment variable "TZ": see as.POSIXlt.
date for the system time in a fixed-format character
string; the elapsed time component of proc.time
for possibly finer resolution in changes in time.
Sys.time() ## print with possibly greater accuracy: op <- options(digits.secs=6) Sys.time() options(op) ## locale-specific version of date() format(Sys.time(), "%a %b %d %X %Y") Sys.Date() Sys.timezone()