January calendar| Day | January | Day of the year | Week number of year |
|---|
| Tuesday | Jan 1, 2013 | 0 | 01 |
| Wednesday | Jan 2, 2013 | 1 | 01 |
| Thursday | Jan 3, 2013 | 2 | 01 |
| Friday | Jan 4, 2013 | 3 | 01 |
| Saturday | Jan 5, 2013 | 4 | 01 |
| Sunday | Jan 6, 2013 | 5 | 01 |
| Monday | Jan 7, 2013 | 6 | 02 |
| Tuesday | Jan 8, 2013 | 7 | 02 |
| Wednesday | Jan 9, 2013 | 8 | 02 |
| Thursday | Jan 10, 2013 | 9 | 02 |
| Friday | Jan 11, 2013 | 10 | 02 |
| Saturday | Jan 12, 2013 | 11 | 02 |
| Sunday | Jan 13, 2013 | 12 | 02 |
| Monday | Jan 14, 2013 | 13 | 03 |
| Tuesday | Jan 15, 2013 | 14 | 03 |
| Wednesday | Jan 16, 2013 | 15 | 03 |
| Thursday | Jan 17, 2013 | 16 | 03 |
| Friday | Jan 18, 2013 | 17 | 03 |
| Saturday | Jan 19, 2013 | 18 | 03 |
| Sunday | Jan 20, 2013 | 19 | 03 |
| Monday | Jan 21, 2013 | 20 | 04 |
| Tuesday | Jan 22, 2013 | 21 | 04 |
| Wednesday | Jan 23, 2013 | 22 | 04 |
| Thursday | Jan 24, 2013 | 23 | 04 |
| Friday | Jan 25, 2013 | 24 | 04 |
| Saturday | Jan 26, 2013 | 25 | 04 |
| Sunday | Jan 27, 2013 | 26 | 04 |
| Monday | Jan 28, 2013 | 27 | 05 |
| Tuesday | Jan 29, 2013 | 28 | 05 |
| Wednesday | Jan 30, 2013 | 29 | 05 |
| Thursday | Jan 31, 2013 | 30 | 05 |
