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

26,996 days

From Tuesday, August 3, 2100 to Friday, September 4, 2026.

Monday–Friday weekdays19,282
Weeks and days3,856w 4d
Calendar span73 years, 10 months, 30 days

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