Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
163,083 days
From Thursday, March 6, 1580 to Monday, September 7, 2026.
Monday–Friday weekdays116,487
Weeks and days23,297w 4d
Calendar span446 years, 6 months, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.