Question : Clock will not stay set to proper time

when i set the clock it holds time. but when i shut it off and turn it back on the time is out of whack.
i have installed a new CMOS battery and it stil does not work right.

Answer : Clock will not stay set to proper time

err sorry entered too soon

router:
int fa 0/1
  no ip address
  no shut

int fa0/1.25
  encapsulation dot1q 25 native
  ip address <ip in vlan 25>
  no shut

int fa0/1.123
  encapsulation dot1q 123
  ip address <ip in vlan 123>
  no shut

etc...