To set the time:
- Press and hold the PROG button for 3 seconds.
- Set the hour setting (press (+) and (-) to set the hours from 0 to 23 hours.
- Press PROG --> set minute setting (press (+) and (-) to set the minutes from 0 to 59 minutes.
- Press PROG --> day of week setting (press (+) and (-) to set the day of the week from 1 to 7 where 1 is Monday.
- Press PROG --> day program setting (see Process for Programming FAQ) -->
- Press PROG --> confirm.
https://www.electricradiatorsdirect.co.uk/manuals/reina/Reina-Nika-Manual.pdf