Date facts
Sunday, January 1, 2017
January 1, 2017 is day 1 of 365, in ISO week 52. There are 364 days left in 2017 after this date.
Weekday
Sunday
Calendar weekday
Day of year
1
of 365
ISO week
52
Week-year 2016
Days remaining
364
In 2017
Weeks start on Monday and use ISO week numbers. Sunday is week 52 of 2016.