Number of months with only 30 days
[PAR] ... September only has 30 days, October only has 31 days, and November only ... 
Keep the year at 365 days, but feel free to change up the number of months... [DOC] [TLE] MacGyver Tip: Use your knuckles to remember each month's days [PAR] Jan 31, 2007 ... ... way to remember which months have 31 days and which have 30: ... Happily, 
all my efforts only reinforced the memory of that day, and so I... [DOC] [TLE] How to Memorize How Many Days Are in Each Month: 13 Steps [PAR] Do you ever need to remember the number of days in a month offhand?