Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,926 days
From Sunday, October 10, 1599 to Monday, September 7, 2026.
Monday–Friday weekdays111,376
Weeks and days22,275w 1d
Calendar span426 years, 10 months, 28 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.