Odd and even weeks in 2013
2013 has 52 weeks: 26 even and 26 odd. Week numbers follow ISO 8601 (Monday to Sunday).
| Wk | Start date | End date | Type |
|---|---|---|---|
| Wk 1 | Dec 31 | Jan 6 | odd week |
| Wk 2 | Jan 7 | Jan 13 | even week |
| Wk 3 | Jan 14 | Jan 20 | odd week |
| Wk 4 | Jan 21 | Jan 27 | even week |
| Wk 5 | Jan 28 | Feb 3 | odd week |
| Wk 6 | Feb 4 | Feb 10 | even week |
| Wk 7 | Feb 11 | Feb 17 | odd week |
| Wk 8 | Feb 18 | Feb 24 | even week |
| Wk 9 | Feb 25 | Mar 3 | odd week |
| Wk 10 | Mar 4 | Mar 10 | even week |
| Wk 11 | Mar 11 | Mar 17 | odd week |
| Wk 12 | Mar 18 | Mar 24 | even week |
| Wk 13 | Mar 25 | Mar 31 | odd week |
| Wk 14 | Apr 1 | Apr 7 | even week |
| Wk 15 | Apr 8 | Apr 14 | odd week |
| Wk 16 | Apr 15 | Apr 21 | even week |
| Wk 17 | Apr 22 | Apr 28 | odd week |
| Wk 18 | Apr 29 | May 5 | even week |
| Wk 19 | May 6 | May 12 | odd week |
| Wk 20 | May 13 | May 19 | even week |
| Wk 21 | May 20 | May 26 | odd week |
| Wk 22 | May 27 | Jun 2 | even week |
| Wk 23 | Jun 3 | Jun 9 | odd week |
| Wk 24 | Jun 10 | Jun 16 | even week |
| Wk 25 | Jun 17 | Jun 23 | odd week |
| Wk 26 | Jun 24 | Jun 30 | even week |
| Wk 27 | Jul 1 | Jul 7 | odd week |
| Wk 28 | Jul 8 | Jul 14 | even week |
| Wk 29 | Jul 15 | Jul 21 | odd week |
| Wk 30 | Jul 22 | Jul 28 | even week |
| Wk 31 | Jul 29 | Aug 4 | odd week |
| Wk 32 | Aug 5 | Aug 11 | even week |
| Wk 33 | Aug 12 | Aug 18 | odd week |
| Wk 34 | Aug 19 | Aug 25 | even week |
| Wk 35 | Aug 26 | Sep 1 | odd week |
| Wk 36 | Sep 2 | Sep 8 | even week |
| Wk 37 | Sep 9 | Sep 15 | odd week |
| Wk 38 | Sep 16 | Sep 22 | even week |
| Wk 39 | Sep 23 | Sep 29 | odd week |
| Wk 40 | Sep 30 | Oct 6 | even week |
| Wk 41 | Oct 7 | Oct 13 | odd week |
| Wk 42 | Oct 14 | Oct 20 | even week |
| Wk 43 | Oct 21 | Oct 27 | odd week |
| Wk 44 | Oct 28 | Nov 3 | even week |
| Wk 45 | Nov 4 | Nov 10 | odd week |
| Wk 46 | Nov 11 | Nov 17 | even week |
| Wk 47 | Nov 18 | Nov 24 | odd week |
| Wk 48 | Nov 25 | Dec 1 | even week |
| Wk 49 | Dec 2 | Dec 8 | odd week |
| Wk 50 | Dec 9 | Dec 15 | even week |
| Wk 51 | Dec 16 | Dec 22 | odd week |
| Wk 52 | Dec 23 | Dec 29 | even week |