St Giles' Day

September 1 is the 244th day of the year (245th in leap years) in the Gregorian calendar. There are 121 days remaining until the end of the year. This date is slightly more likely to fall on a Tuesday, Thursday or Saturday (58 in 400 years each) than on Sunday or Monday (57), and slightly less likely to occur on a Wednesday or Friday (56).

...
Wikipedia