January calendar| Day | January | Day of the year | Week number of year |
|---|
| Monday | Jan 1, 2001 | 0 | 01 |
| Tuesday | Jan 2, 2001 | 1 | 01 |
| Wednesday | Jan 3, 2001 | 2 | 01 |
| Thursday | Jan 4, 2001 | 3 | 01 |
| Friday | Jan 5, 2001 | 4 | 01 |
| Saturday | Jan 6, 2001 | 5 | 01 |
| Sunday | Jan 7, 2001 | 6 | 01 |
| Monday | Jan 8, 2001 | 7 | 02 |
| Tuesday | Jan 9, 2001 | 8 | 02 |
| Wednesday | Jan 10, 2001 | 9 | 02 |
| Thursday | Jan 11, 2001 | 10 | 02 |
| Friday | Jan 12, 2001 | 11 | 02 |
| Saturday | Jan 13, 2001 | 12 | 02 |
| Sunday | Jan 14, 2001 | 13 | 02 |
| Monday | Jan 15, 2001 | 14 | 03 |
| Tuesday | Jan 16, 2001 | 15 | 03 |
| Wednesday | Jan 17, 2001 | 16 | 03 |
| Thursday | Jan 18, 2001 | 17 | 03 |
| Friday | Jan 19, 2001 | 18 | 03 |
| Saturday | Jan 20, 2001 | 19 | 03 |
| Sunday | Jan 21, 2001 | 20 | 03 |
| Monday | Jan 22, 2001 | 21 | 04 |
| Tuesday | Jan 23, 2001 | 22 | 04 |
| Wednesday | Jan 24, 2001 | 23 | 04 |
| Thursday | Jan 25, 2001 | 24 | 04 |
| Friday | Jan 26, 2001 | 25 | 04 |
| Saturday | Jan 27, 2001 | 26 | 04 |
| Sunday | Jan 28, 2001 | 27 | 04 |
| Monday | Jan 29, 2001 | 28 | 05 |
| Tuesday | Jan 30, 2001 | 29 | 05 |
| Wednesday | Jan 31, 2001 | 30 | 05 |
