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

8,494 days

From Thursday, December 9, 2049 to Monday, September 7, 2026.

Monday–Friday weekdays6,068
Weeks and days1,213w 3d
Calendar span23 years, 3 months, 2 days

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