Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
159,968 days
From Thursday, September 15, 1588 to Monday, September 7, 2026.
Monday–Friday weekdays114,262
Weeks and days22,852w 4d
Calendar span437 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.