Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,512 days
From Monday, January 27, 1620 to Monday, September 7, 2026.
Monday–Friday weekdays106,080
Weeks and days21,216w 0d
Calendar span406 years, 7 months, 11 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.