Question: when is tfl off peak times?
Answer: Using pay as you go Peak fares - Monday to Friday (not on public holidays) between 06:30 and 09:30, and between 16:00 and 19:00. Off-peak fares - at all other times and if you travel from a station outside Zone 1 to a station in Zone 1 between 16:00 and 19:00, Monday to Friday.