Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,546 days
From Friday, December 6, 1630 to Monday, September 7, 2026.
Monday–Friday weekdays103,246
Weeks and days20,649w 3d
Calendar span395 years, 9 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.