Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
147,001 days
From Sunday, March 17, 1624 to Monday, September 7, 2026.
Monday–Friday weekdays105,001
Weeks and days21,000w 1d
Calendar span402 years, 5 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.