Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

The end date comes before the start date

29,333 days

From Monday, December 27, 2106 to Friday, September 4, 2026.

Monday–Friday weekdays20,951
Weeks and days4,190w 3d
Calendar span80 years, 3 months, 23 days

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.