Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,909 days
From Wednesday, December 26, 1618 to Monday, September 7, 2026.
Monday–Friday weekdays106,363
Weeks and days21,272w 5d
Calendar span407 years, 8 months, 12 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.