https://www.englishchess.org.uk/rules-f ... ating-new/
I would imagine you could fit in 6 or 7 rounds in a 3 hour club night.A. Rapid Chess
Each player must have more than 10 minutes, and less than 60 minutes, for all moves. This includes both the initial time control and any subsequent time controls or quickplay finish. When Fischer (cumulative) mode is used, the time available for each player is calculated on the assumption that the duration of the game is 60 moves.