Complex sentence: Currently no trains run from Victoria between the 1920 service and the 2326 service southbound, whilst there are no London-bound departures after 20:21; no evening service runs on a Saturday in either direction and there is no Sunday service.
Split into simpler sentences: Currently no trains run from Victoria between the 19:20 service and the 23:26 service southbound on a weekday, whilst there are no London-bound departures after 20:21. No evening service runs on a Saturday in either direction and there is no Sunday service.