December 21st, 1001 was a Monday.
November 23rd, 1001 - December 21st, 1001
Why not celebrate an alternative birthday? In 774 days, exactly on September 7th, 2028, people who were born on December 21st, 1001 will be 375,000 days old!
Fixed holidays (Christian feast day, Earliest usual date for the winter solstice in the Northern Hemisphere and the summer solstice in the Southern Hemisphere, and its related observances) which are celebrated on December 21st.
| M = 1000 | X = 10 | I = 1 |
No: With 365 days 1001 is a normal year and no leap year.