The long line, the slow night and everything between
Tuesday through Saturday. Sundays and Mondays the building is dark and the coals are cold.
What is on when
What the long line actually is
On Thursday the whole floor plays to the same clock. The bell goes on the hour, every table finishes its hand, and for two minutes the room stands up, stretches and swaps around.
It sounds fussy written down. In practice it means a stranger sits at your table roughly once an hour, which is the single best thing about the night.
Nine signals in an evening, from five until one. Nobody counts them except the person ringing the bell, who is usually very pleased with the job.

Tue 5pm
First-timers' hour, four seats, no charge.
Wed all night
Slow tables, bell every second hour.
Thu from 5pm
The long line, nine signals, every table in step.