1 Nov 2017 - Time Zone Change (EAT → CAT) in Sudan

When local standard time is about to reach
Wednesday, 1 November 2017, 00:00:00 clocks are turned backward 1 hour to
Tuesday, 31 October 2017, 23:00:00 local standard time instead.

Sunrise and sunset will be about 1 hour earlier on 1 Nov 2017 than the day before. There will be more light in the morning.
More info:
Sudan Adopts New Time Zone