Nokia Lumia 820

Find "date+time"

Slide your finger left on the display.
Press Settings.

Find "date+time"

Press date+time.

Select option

Select one of the following options:
Turn automatic date and time update on or off, go to 2a.
Select time zone, go to 2b.
Set the date, go to 2c.
Set the time, go to 2d.

2a - Turn automatic date and time update on or off

Press the indicator next to Set automatically.
Depending on the current setting, automatic date and time update is turned on or off.

2b - Select time zone

Press the field below Time zone.

2b - Select time zone

Press the required time zone.

2c - Set the date

Press the field below Date.

2c - Set the date

Press date, month and year and follow the instructions on the display to insert the required date.

2c - Set the date

Press the confirm icon.

2d - Set the time

Press the field below Time.

2d - Set the time

Press hours and minutes and follow the instructions on the display to find the required time.

2d - Set the time

Press the confirm icon.

Exit

Press the Home key to return to standby mode.