Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
162,525 days
From Tuesday, September 15, 1581 to Monday, September 7, 2026.
Monday–Friday weekdays116,089
Weeks and days23,217w 6d
Calendar span444 years, 11 months, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.