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

3,389 days

From Sunday, December 16, 2035 to Saturday, September 5, 2026.

Monday–Friday weekdays2,420
Weeks and days484w 1d
Calendar span9 years, 3 months, 11 days

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