The current list of open days, April may change to match Easter but that is to be decided. As a rule it will normally be the 3rd Saturday of the month. 
January Open day - 20/1/24
February Open day - 17/2/24
March Open day - 16/3/24
April Open day - 20/4/24
May Open day - 18/5/24
June Open day - 15/6/24
July - 20/7/24
August Open Weekend - 24-26/8/24 (Also Bolton food festival)
September Open Day - 21/9/24
October Open Day - 19/10/24
November Open Day - 16/11/24
December Open Weekend - 21&22/12/24