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

162,353 days

From Saturday, March 6, 1582 to Monday, September 7, 2026.

Monday–Friday weekdays115,966
Weeks and days23,193w 2d
Calendar span444 years, 6 months, 1 day

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