Method GTK1.Clock()->set_format()
- Method set_format
 GTK1.Clockset_format(stringfmt)- Description
 Set the format of a GtkClock widget. The syntax of the format string is identical to that of the function strftime(3). Further information about time format strings can be found on this man page. The widget defaults to a format string of "%H:%M" in realtime mode, or "%H:%M:%S" in count-up or count-down modes.