| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday | | | Jan 1, 1980 | Jan 2, 1980 | Jan 3, 1980 | Jan 4, 1980 | Jan 5, 1980 | Jan 6, 1980 |
| Jan 7, 1980 | Jan 8, 1980 | Jan 9, 1980 | Jan 10, 1980 | Jan 11, 1980 | Jan 12, 1980 | Jan 13, 1980 |
| Jan 14, 1980 | Jan 15, 1980 | Jan 16, 1980 | Jan 17, 1980 | Jan 18, 1980 | Jan 19, 1980 | Jan 20, 1980 |
| Jan 21, 1980 | Jan 22, 1980 | Jan 23, 1980 | Jan 24, 1980 | Jan 25, 1980 | Jan 26, 1980 | Jan 27, 1980 |
| Jan 28, 1980 | Jan 29, 1980 | Jan 30, 1980 | Jan 31, 1980 | | | |