Week 1
Monday, December 30, 1839 – Sunday, January 5, 1840
Holidays
Wed, Jan 1:
New Year’s Day
Calendar with all holidays in 1840
Enter a week number or a date
➜
e.g.
9
,
30 2025
,
7 May
, or
christmas 2025
.
1840 calendar
Week
number
.com
Calendar with week numbers and holidays
How-to
☰
