This function converts a time expressed in seconds since the epoch to a struct_time in UTC in which the dst flag is always zero. If secs is not provided or None, the current time as returned by time() is used.
Syntax:
time.gmtime([ sec ])
Parameters:
Here is the detail of parameters:
sec: These are the number of seconds to be converted into structure struct_time representation.
Example:
#!/usr/bin/python
import time
print "time.gmtime() : %s" % time.gmtime()