Note The chosen date is in the future.
In the year of 2504, the 20th of January will be a Sunday.
2504 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).
December 22nd, 2503 - January 20th, 2504
Fixed holidays (Christian feast day) which are celebrated on January 20th.
M = 1000 | D = 500 | X = 10 | IV = 4 | I = 1 |