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

6,399 days

From Tuesday, March 15, 2044 to Monday, September 7, 2026.

Monday–Friday weekdays4,571
Weeks and days914w 1d
Calendar span17 years, 6 months, 8 days

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