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

126,625 days

From Saturday, December 30, 1679 to Monday, September 7, 2026.

Monday–Friday weekdays90,446
Weeks and days18,089w 2d
Calendar span346 years, 8 months, 8 days

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.