Forum Debian Users Gang

 iptables -m time --help
iptables v1.4.10
.............
time match options:
    --datestart time     Start and stop time, to be given in ISO 8601
    --datestop time      (YYYY[-MM[-DD[Thh[:mm[:ss]]]]])
    --timestart time     Start and stop daytime (hh:mm[:ss])
    --timestop time      (between 00:00:00 and 23:59:59)
[!] --monthdays value    List of days on which to match, separated by comma
                         (Possible days: 1 to 31; defaults to all)
[!] --weekdays value     List of weekdays on which to match, sep. by comma
                         (Possible days: Mon,Tue,Wed,Thu,Fri,Sat,Sun or 1 to 7
                         Defaults to all weekdays.)
    --localtz/--utc      Time is interpreted as UTC/local time