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

149,880 days

From Friday, April 29, 1616 to Monday, September 7, 2026.

Monday–Friday weekdays107,056
Weeks and days21,411w 3d
Calendar span410 years, 4 months, 9 days

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