Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
149,148 days
From Tuesday, May 1, 1618 to Monday, September 7, 2026.
Monday–Friday weekdays106,534
Weeks and days21,306w 6d
Calendar span408 years, 4 months, 6 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.