Week 1
Monday 31 December 1979 – Sunday 6 January 1980
Holidays
Tue, 1 Jan:
New Year’s Day
Calendar with all holidays in 1980
Enter a week number or a date
➜
e.g.
6
,
27 2025
,
11 April
or
may day 2025
.
1980 calendar
Week
number
.ie
Calendar with week numbers and holidays
How-to
☰
