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

144,734 days

From Saturday, June 1, 1630 to Monday, September 7, 2026.

Monday–Friday weekdays103,381
Weeks and days20,676w 2d
Calendar span396 years, 3 months, 6 days

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