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Fortran Library Reference

gmtime: Split System Time to Month, Day, ... (GMT)

This routine dissects a system time into month, day, and so on, for GMT.

The subroutine is:

call gmtime( stime, tarray )

stime

INTEGER*4

Input 

System time from time() (standard version)

tarray

INTEGER*4(9)

Output 

System time, GMT, as day, month, year, ...  

Example: gmtime: 

    integer*4  stime, tarray(9), time
    stime = time()
    call gmtime( stime, tarray )
    write(*,*) 'gmtime: ', tarray
    end
demo% f77 -silent tgmtime.f 
demo% a.out 
 gmtime:   12  44  19  18  5  94  6  168  0 
demo%

Here are the tarray() values for ltime and gmtime: index, units, and range:

1 

2 

3 

4 

5 

Seconds (0 - 61) 

Minutes (0 - 59) 

Hours (0 - 23) 

Day of month (1 - 31) 

Months since January (0 - 11) 

6 

7 

8 

9 

Year - 1900 

Day of week (Sunday = 0) 

Day of year (0 - 365) 

Daylight Saving Time, 1 if DST in effect 

These values are defined by the C library routine ctime(3C), which explains why the system may return a count of seconds greater than 59. See also: idate(3F), and fdate(3F).