Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

Excluding the start date

152,847 days

From Saturday, March 15, 1608 to Monday, September 7, 2026.

Monday–Friday weekdays109,176
Weeks and days21,835w 2d
Calendar span418 years, 5 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.