The first three weeks of games are grading.
This will be followed by 8 weeks of round robin games.
Finals are two weeks long. All teams play in both finals rounds (unless there is an odd number of teams in a league where one team will have a bye)

Playing dates are
July 29th, 5th August, 12th, 19th, 26th, 2nd September, 9th, 16th, 7th October, 14th, 21st, 28th, 4th November