9.82 DATE_AND_TIME — Date and time subroutine

Description:

DATE_AND_TIME(DATE, TIME, ZONE, VALUES) gets the corresponding date and time information from the real-time system clock. DATE is INTENT(OUT) and has form ccyymmdd. TIME is INTENT(OUT) and has form hhmmss.sss. ZONE is INTENT(OUT) and has form (+-)hhmm, representing the difference with respect to Coordinated Universal Time (UTC). Unavailable time and date parameters return blanks.

VALUES is INTENT(OUT) and provides the following:

	VALUE(1):	The year
	VALUE(2):	The month
	VALUE(3):	The day of the month
	VALUE(4):	Time difference with UTC in minutes
	VALUE(5):	The hour of the day
	VALUE(6):	The minutes of the hour
	VALUE(7):	The seconds of the minute
	VALUE(8):	The milliseconds of the second

Standard:

Fortran 95 and later

Class:

Subroutine

Syntax:

CALL DATE_AND_TIME([DATE, TIME, ZONE, VALUES])

Arguments:

DATE	(Optional) The type shall be CHARACTER(LEN=8) or larger, and of default kind.
TIME	(Optional) The type shall be CHARACTER(LEN=10) or larger, and of default kind.
ZONE	(Optional) The type shall be CHARACTER(LEN=5) or larger, and of default kind.
VALUES	(Optional) The type shall be INTEGER(8).

Return value:

None

Example:

program test_time_and_date
    character(8)  :: date
    character(10) :: time
    character(5)  :: zone
    integer,dimension(8) :: values
    ! using keyword arguments
    call date_and_time(date,time,zone,values)
    call date_and_time(DATE=date,ZONE=zone)
    call date_and_time(TIME=time)
    call date_and_time(VALUES=values)
    print '(a,2x,a,2x,a)', date, time, zone
    print '(8i5)', values
end program test_time_and_date

See also:

CPU_TIME, SYSTEM_CLOCK

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