Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
159,875 days
From Saturday, December 17, 1588 to Monday, September 7, 2026.
Monday–Friday weekdays114,196
Weeks and days22,839w 2d
Calendar span437 years, 8 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.