Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,524 days
From Wednesday, January 15, 1620 to Monday, September 7, 2026.
Monday–Friday weekdays106,088
Weeks and days21,217w 5d
Calendar span406 years, 7 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.