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
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e.g.
19
,
40 2025
,
4 Aug
or
good friday 2025
.
1980 calendar
Week
number
.co.uk
Calendar with week numbers and holidays
How-to
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