Hi Bill, 2014-03- 7, 23:36 (+0100); Bill Allombert escriu: > Could you tell me what is your timezone ? Central European Time, UTC+1 > Are you using ntp ? Is it on a server running 24/24 ? It's a desktop machine, although it's left on most of the time. There is no ntp server running on this computer, but I have however an ntp client (ntpdate) and a weekly cron job that runs /usr/sbin/ntpdate-debian.