September 12th, 1309 was a Thursday.
August 24th, 1309 - September 23rd, 1309
Why not celebrate an alternative birthday? In 169 days, exactly on January 11th, 2027, people who were born on September 12th, 1309 will be 262,000 days old!
Fixed holidays (Christian feast day) which are celebrated on September 12th.
| M = 1000 | C = 100 | X = 10 | IX = 9 | I = 1 |
No: With 365 days 1309 is a normal year and no leap year.