Date facts
Friday, January 1, 2021
January 1, 2021 is day 1 of 365, in ISO week 53. There are 364 days left in 2021 after this date.
Weekday
Friday
Calendar weekday
Day of year
1
of 365
ISO week
53
Week-year 2020
Days remaining
364
In 2021
Weeks start on Monday and use ISO week numbers. Friday is week 53 of 2020.