Continuing from Part 1

After two more nights of going to the countryside (this time, to the Saddleworth Moors), a few things have become certain:

In the summer months in the UK there is a debate over when Fajr time starts.

The main cause of this is that the sun doesn't go far enough below the horizon for pitch black conditions to occur.

This causes a problem because Fajr time is supposed to be when the "true dawn" starts from pitch black conditions.

Based on the unique conditions of being at such a high latitude, different groups of scholars have come up with different solutions, the most conservative of which is to start Fajr in the middle of the night.