Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,526 days
From Thursday, December 26, 1630 to Monday, September 7, 2026.
Monday–Friday weekdays103,232
Weeks and days20,646w 4d
Calendar span395 years, 8 months, 12 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.