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

6,304 days

From Friday, December 11, 2043 to Monday, September 7, 2026.

Monday–Friday weekdays4,504
Weeks and days900w 4d
Calendar span17 years, 3 months, 4 days

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