Dual rate electricity meter

My meter appears to display three bits of information - but there is a red 1 and red 2 display.
Which one is Day and which is night? Makes no difference to cost
Gas meters we can submit photos.
Why not the same for electricity meters?

Hi @Mark_B For your meter, the reading with a 1 is your day and the 2 is night.

You should be able to submit an electricity reading by photo in the iOS app, what happens when you try to do that?