September 29th, 1240 was a Saturday.
September 24th, 1240 - October 23rd, 1240
Why not celebrate an alternative birthday? In 986 days, exactly on April 6th, 2029, people who were born on September 29th, 1240 will be 288,000 days old!
Fixed holidays (Christian feast day) which are celebrated on September 29th.
| M = 1000 | C = 100 | XL = 40 | X = 10 | IX = 9 |
Yes: 1240 is a leap year, therefore has a 29th of February with an additional leap day and a total of 366 days (instead of the usual 365 days in a normal year).