Complex sentence: Its original timeslot was 9.30pm to 9.45pm then resume from 11.45pm to 12.00 midnight on weeknights and 10.30pm to 10.45pm then resume from 11.45 pm to 12.00 midnight on weekends.
Split into simpler sentences: Its original timeslot was 9.30pm to 9.45pm and then from 11.45pm to 12.00 midnight on weeknights. Weekends was from 10.30pm to 10.45pm and then from 11.45 pm to 12.00 midnight on weekends.