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

6,303 days

From Thursday, December 10, 2043 to Monday, September 7, 2026.

Monday–Friday weekdays4,503
Weeks and days900w 3d
Calendar span17 years, 3 months, 3 days

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