Wrong time on phone

Issue Several phones were¬† showing wrong time (one hour behind), upon reboot and others were fine. Checks)- 1) Show clock and double checked NTP settings, NTP syncronysing phone#sh clock 10:13:16.737 BST Thu Jun 16 2011 phone#sh ntp stat Clock is synchronized 2) Phone system time zone:- phone#sh telephony-service | s timez timezone 21 GMT Standard/Daylight … More Wrong time on phone