Date facts
Thursday, January 1, 2004
January 1, 2004 is day 1 of 366, in ISO week 1. There are 365 days left in 2004 after this date.
Weekday
Thursday
Calendar weekday
Day of year
1
of 366
ISO week
1
Week-year 2004
Days remaining
365
In 2004
Weeks start on Monday and use ISO week numbers. Thursday is the first week of 2004.