Odd and even weeks in 2018
2018 has 52 weeks: 26 even and 26 odd. Week numbers follow ISO 8601 (Monday to Sunday).
| Wk | Start date | End date | Type |
|---|---|---|---|
| Wk 1 | Jan 1 | Jan 7 | odd week |
| Wk 2 | Jan 8 | Jan 14 | even week |
| Wk 3 | Jan 15 | Jan 21 | odd week |
| Wk 4 | Jan 22 | Jan 28 | even week |
| Wk 5 | Jan 29 | Feb 4 | odd week |
| Wk 6 | Feb 5 | Feb 11 | even week |
| Wk 7 | Feb 12 | Feb 18 | odd week |
| Wk 8 | Feb 19 | Feb 25 | even week |
| Wk 9 | Feb 26 | Mar 4 | odd week |
| Wk 10 | Mar 5 | Mar 11 | even week |
| Wk 11 | Mar 12 | Mar 18 | odd week |
| Wk 12 | Mar 19 | Mar 25 | even week |
| Wk 13 | Mar 26 | Apr 1 | odd week |
| Wk 14 | Apr 2 | Apr 8 | even week |
| Wk 15 | Apr 9 | Apr 15 | odd week |
| Wk 16 | Apr 16 | Apr 22 | even week |
| Wk 17 | Apr 23 | Apr 29 | odd week |
| Wk 18 | Apr 30 | May 6 | even week |
| Wk 19 | May 7 | May 13 | odd week |
| Wk 20 | May 14 | May 20 | even week |
| Wk 21 | May 21 | May 27 | odd week |
| Wk 22 | May 28 | Jun 3 | even week |
| Wk 23 | Jun 4 | Jun 10 | odd week |
| Wk 24 | Jun 11 | Jun 17 | even week |
| Wk 25 | Jun 18 | Jun 24 | odd week |
| Wk 26 | Jun 25 | Jul 1 | even week |
| Wk 27 | Jul 2 | Jul 8 | odd week |
| Wk 28 | Jul 9 | Jul 15 | even week |
| Wk 29 | Jul 16 | Jul 22 | odd week |
| Wk 30 | Jul 23 | Jul 29 | even week |
| Wk 31 | Jul 30 | Aug 5 | odd week |
| Wk 32 | Aug 6 | Aug 12 | even week |
| Wk 33 | Aug 13 | Aug 19 | odd week |
| Wk 34 | Aug 20 | Aug 26 | even week |
| Wk 35 | Aug 27 | Sep 2 | odd week |
| Wk 36 | Sep 3 | Sep 9 | even week |
| Wk 37 | Sep 10 | Sep 16 | odd week |
| Wk 38 | Sep 17 | Sep 23 | even week |
| Wk 39 | Sep 24 | Sep 30 | odd week |
| Wk 40 | Oct 1 | Oct 7 | even week |
| Wk 41 | Oct 8 | Oct 14 | odd week |
| Wk 42 | Oct 15 | Oct 21 | even week |
| Wk 43 | Oct 22 | Oct 28 | odd week |
| Wk 44 | Oct 29 | Nov 4 | even week |
| Wk 45 | Nov 5 | Nov 11 | odd week |
| Wk 46 | Nov 12 | Nov 18 | even week |
| Wk 47 | Nov 19 | Nov 25 | odd week |
| Wk 48 | Nov 26 | Dec 2 | even week |
| Wk 49 | Dec 3 | Dec 9 | odd week |
| Wk 50 | Dec 10 | Dec 16 | even week |
| Wk 51 | Dec 17 | Dec 23 | odd week |
| Wk 52 | Dec 24 | Dec 30 | even week |