Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,924 days
From Tuesday, October 12, 1599 to Monday, September 7, 2026.
Monday–Friday weekdays111,374
Weeks and days22,274w 6d
Calendar span426 years, 10 months, 26 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.