March / April:
4 weeks: March 31st / April 7th / 14th / 21st

April / May:
3 weeks: April 28th / May 5th - no class: cafe is closed for bank holiday / 12th

(2 week break)

June / July:
7 weeks: June 2nd / 9th / 16th / 23rd / 30th / July 7th / 14th