Week number

1

December 30 – January 5, 1980

There are 53 weeks in 1980 year

# Sun Mon Tue Wed Thu Fri Sat
51 16 17 18 19 20 21 22
52 23 24 25 26 27 28 29
1 30 31 1 2 3 4 5
2 6 7 8 9 10 11 12
3 13 14 15 16 17 18 19

Week calculator

For example: 44 , 23 2021 , June 14

Week numbers in 1980 year

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