Week numbers 2026
2026 has 53 ISO weeks. Here’s the start and end date of each one.
| Week | Starts (Mon) | Ends (Sun) |
|---|---|---|
| 1 | Dec 29 | Jan 4 |
| 2 | Jan 5 | Jan 11 |
| 3 | Jan 12 | Jan 18 |
| 4 | Jan 19 | Jan 25 |
| 5 | Jan 26 | Feb 1 |
| 6 | Feb 2 | Feb 8 |
| 7 | Feb 9 | Feb 15 |
| 8 | Feb 16 | Feb 22 |
| 9 | Feb 23 | Mar 1 |
| 10 | Mar 2 | Mar 8 |
| 11 | Mar 9 | Mar 15 |
| 12 | Mar 16 | Mar 22 |
| 13 | Mar 23 | Mar 29 |
| 14 | Mar 30 | Apr 5 |
| 15 | Apr 6 | Apr 12 |
| 16 | Apr 13 | Apr 19 |
| 17 | Apr 20 | Apr 26 |
| 18 | Apr 27 | May 3 |
| 19 | May 4 | May 10 |
| 20 | May 11 | May 17 |
| 21 | May 18 | May 24 |
| 22 | May 25 | May 31 |
| 23 | Jun 1 | Jun 7 |
| 24 | Jun 8 | Jun 14 |
| 25 | Jun 15 | Jun 21 |
| 26 | Jun 22 | Jun 28 |
| 27 | Jun 29 | Jul 5 |
| 28 | Jul 6 | Jul 12 |
| 29 | Jul 13 | Jul 19 |
| 30 | Jul 20 | Jul 26 |
| 31 | Jul 27 | Aug 2 |
| 32 | Aug 3 | Aug 9 |
| 33 | Aug 10 | Aug 16 |
| 34 | Aug 17 | Aug 23 |
| 35 | Aug 24 | Aug 30 |
| 36 | Aug 31 | Sep 6 |
| 37 | Sep 7 | Sep 13 |
| 38 | Sep 14 | Sep 20 |
| 39 | Sep 21 | Sep 27 |
| 40 | Sep 28 | Oct 4 |
| 41 | Oct 5 | Oct 11 |
| 42 | Oct 12 | Oct 18 |
| 43 | Oct 19 | Oct 25 |
| 44 | Oct 26 | Nov 1 |
| 45 | Nov 2 | Nov 8 |
| 46 | Nov 9 | Nov 15 |
| 47 | Nov 16 | Nov 22 |
| 48 | Nov 23 | Nov 29 |
| 49 | Nov 30 | Dec 6 |
| 50 | Dec 7 | Dec 13 |
| 51 | Dec 14 | Dec 20 |
| 52 | Dec 21 | Dec 27 |
| 53 | Dec 28 | Jan 3 |
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