Canon EOS 5D Mark III Instruction Manual page 37

The menu setting procedure is explained on pages 51-52.

The date/time that was set will start from when you press <0> in step 6.

In step 3, the time displayed on the upper right is the time difference

compared with Coordinated Universal Time (UTC). If you do not see your
time zone, set the time zone while referring to the difference with UTC.
3 Setting the Date, Time, and Zone
4
Set the date and time.
Turn the <5> dial to select the

number.
Press <0> so <r> is displayed.

Turn the <5> dial to select the

desired setting, then press <0>
(Returns to <s>).
5
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 4 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.
6
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.
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