1980 |
January | February | March | April | May | June | July | August | September | October | November | December |
Monday |
| | | | | | | | 1 | | | 1 |
Tuesday |
1 | | | 1 | | | 1 | | 2 | | | 2 |
Wednesday |
2 | | | 2 | | | 2 | | 3 | 1 | | 3 |
Thursday |
3 | | | 3 | 1 | | 3 | | 4 | 2 | | 4 |
Friday |
4 | 1 | | 4 | 2 | | 4 | 1 | 5 | 3 | | 5 |
Saturday |
5 | 2 | 1 | 5 | 3 | | 5 | 2 | 6 | 4 | 1 | 6 |
Sunday |
6 | 3 | 2 | 6 | 4 | 1 | 6 | 3 | 7 | 5 | 2 | 7 |
Monday |
7 | 4 | 3 | 7 | 5 | 2 | 7 | 4 | 8 | 6 | 3 | 8 |
Tuesday |
8 | 5 | 4 | 8 | 6 | 3 | 8 | 5 | 9 | 7 | 4 | 9 |
Wednesday |
9 | 6 | 5 | 9 | 7 | 4 | 9 | 6 | 10 | 8 | 5 | 10 |
Thursday |
10 | 7 | 6 | 10 | 8 | 5 | 10 | 7 | 11 | 9 | 6 | 11 |
Friday |
11 | 8 | 7 | 11 | 9 | 6 | 11 | 8 | 12 | 10 | 7 | 12 |
Saturday |
12 | 9 | 8 | 12 | 10 | 7 | 12 | 9 | 13 | 11 | 8 | 13 |
Sunday |
13 | 10 | 9 | 13 | 11 | 8 | 13 | 10 | 14 | 12 | 9 | 14 |
Monday |
14 | 11 | 10 | 14 | 12 | 9 | 14 | 11 | 15 | 13 | 10 | 15 |
Tuesday |
15 | 12 | 11 | 15 | 13 | 10 | 15 | 12 | 16 | 14 | 11 | 16 |
Wednesday |
16 | 13 | 12 | 16 | 14 | 11 | 16 | 13 | 17 | 15 | 12 | 17 |
Thursday |
17 | 14 | 13 | 17 | 15 | 12 | 17 | 14 | 18 | 16 | 13 | 18 |
Friday |
18 | 15 | 14 | 18 | 16 | 13 | 18 | 15 | 19 | 17 | 14 | 19 |
Saturday |
19 | 16 | 15 | 19 | 17 | 14 | 19 | 16 | 20 | 18 | 15 | 20 |
Sunday |
20 | 17 | 16 | 20 | 18 | 15 | 20 | 17 | 21 | 19 | 16 | 21 |
Monday |
21 | 18 | 17 | 21 | 19 | 16 | 21 | 18 | 22 | 20 | 17 | 22 |
Tuesday |
22 | 19 | 18 | 22 | 20 | 17 | 22 | 19 | 23 | 21 | 18 | 23 |
Wednesday |
23 | 20 | 19 | 23 | 21 | 18 | 23 | 20 | 24 | 22 | 19 | 24 |
Thursday |
24 | 21 | 20 | 24 | 22 | 19 | 24 | 21 | 25 | 23 | 20 | 25 |
Friday |
25 | 22 | 21 | 25 | 23 | 20 | 25 | 22 | 26 | 24 | 21 | 26 |
Saturday |
26 | 23 | 22 | 26 | 24 | 21 | 26 | 23 | 27 | 25 | 22 | 27 |
Sunday |
27 | 24 | 23 | 27 | 25 | 22 | 27 | 24 | 28 | 26 | 23 | 28 |
Monday |
28 | 25 | 24 | 28 | 26 | 23 | 28 | 25 | 29 | 27 | 24 | 29 |
Tuesday |
29 | 26 | 25 | 29 | 27 | 24 | 29 | 26 | 30 | 28 | 25 | 30 |
Wednesday |
30 | 27 | 26 | 30 | 28 | 25 | 30 | 27 | | 29 | 26 | 31 |
Thursday |
31 | 28 | 27 | | 29 | 26 | 31 | 28 | | 30 | 27 | |
Friday |
| 29 | 28 | | 30 | 27 | | 29 | | 31 | 28 | |
Saturday |
| | 29 | | 31 | 28 | | 30 | | | 29 | |
Sunday |
| | 30 | | | 29 | | 31 | | | 30 | |
Monday |
| | 31 | | | 30 | | | | | | |