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

403 days

From Monday, October 11, 2027 to Thursday, September 3, 2026.

Monday–Friday weekdays287
Weeks and days57w 4d
Calendar span1 year, 1 month, 8 days

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