In the Ashtanga Yoga tradition, both full and new moon days are observed as a yoga holiday.
January Wednesday 11th – Full Friday 27th – New
February Friday 10th – Full Monday 27th – New
March Monday 13th – Full Monday 27th – New
April Monday 10th – Full Tuesday 25th – New
May Wednesday 10th – Full Thursday 25th – New
June Friday 9th – Full Friday 23rd – New