Canon EOS REBEL T7I Basic Instruction Manual page 42

3 Setting the Date, Time, and Zone
40
Set the daylight saving time.
5
Set it if necessary.

Press the <Y> <Z> keys to select

[Y].
Press <0> so <r> is displayed.

Press the <W> <X> keys 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.
Exit the setting.
6
Press the <Y> <Z> keys to select

[OK], then press <0>.

The date/time/zone and daylight
saving time will be set and the menu
will reappear.