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

250 days

From Tuesday, May 11, 2027 to Thursday, September 3, 2026.

Monday–Friday weekdays178
Weeks and days35w 5d
Calendar span8 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.