Week number

51

15 – December 21, 1980

There are 52 weeks in 1980 year

# Mon Tue Wed Thu Fri Sat Sun
49 1 2 3 4 5 6 7
50 8 9 10 11 12 13 14
51 15 16 17 18 19 20 21
52 22 23 24 25 26 27 28
1 29 30 31 1 2 3 4

Week calculator

For example: 44 , 23 2021 , June 14

Week numbers in 1980 year

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