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

162,814 days

From Sunday, November 30, 1580 to Monday, September 7, 2026.

Monday–Friday weekdays116,296
Weeks and days23,259w 1d
Calendar span445 years, 9 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.