Canon EOS 7D Instruction Manual page 44

Before You Start
When Updating Firmware 1.x.x to 2.x.x:
When you update the firmware from version 1.x.x to 2.x.x, the "Date/Time"
will be reset. You will have to set the "Date/Time/Zone" again.
The menu setting procedure is explained on pages 40-41.

The date/time that was set will start from when you press <0> in step 5.

In step 2, the time displayed on the upper right is the time difference

compared with UTC (Coordinated Universal Time). If you do not see your
time zone, set the time zone while referring to the difference with UTC.
44
4
Set the daylight saving time.
Set if necessary.

Turn the <5> dial to select [Y].

Press <0> so <r> is displayed.

Turn the <5> dial to select [Z], then

press <0>.
When the daylight saving time is set

to [Z], the time set in step 3 will
advance by 1 hour. If [Y] is set, the
daylight saving time will be canceled
and the time will go back by 1 hour.
5
Exit the setting.
Turn the <5> dial to select [OK],

then press <0>.

The Date/Time/Zone will be set and
the menu will reappear.