Week numbers 2025
2025 has 52 ISO weeks. Week 1 starts on December 30, 2024 and the last week ends on December 28, 2025.
All weeks of 2025
2025: 52 weeks
| Week | Dates |
|---|---|
| W1 | Dec 30, 2024 – Jan 5, 2025 |
| W2 | Jan 6 – Jan 12, 2025 |
| W3 | Jan 13 – Jan 19, 2025 |
| W4 | Jan 20 – Jan 26, 2025 |
| W5 | Jan 27 – Feb 2, 2025 |
| W6 | Feb 3 – Feb 9, 2025 |
| W7 | Feb 10 – Feb 16, 2025 |
| W8 | Feb 17 – Feb 23, 2025 |
| W9 | Feb 24 – Mar 2, 2025 |
| W10 | Mar 3 – Mar 9, 2025 |
| W11 | Mar 10 – Mar 16, 2025 |
| W12 | Mar 17 – Mar 23, 2025 |
| W13 | Mar 24 – Mar 30, 2025 |
| W14 | Mar 31 – Apr 6, 2025 |
| W15 | Apr 7 – Apr 13, 2025 |
| W16 | Apr 14 – Apr 20, 2025 |
| W17 | Apr 21 – Apr 27, 2025 |
| W18 | Apr 28 – May 4, 2025 |
| W19 | May 5 – May 11, 2025 |
| W20 | May 12 – May 18, 2025 |
| W21 | May 19 – May 25, 2025 |
| W22 | May 26 – Jun 1, 2025 |
| W23 | Jun 2 – Jun 8, 2025 |
| W24 | Jun 9 – Jun 15, 2025 |
| W25 | Jun 16 – Jun 22, 2025 |
| W26 | Jun 23 – Jun 29, 2025 |
| W27 | Jun 30 – Jul 6, 2025 |
| W28 | Jul 7 – Jul 13, 2025 |
| W29 | Jul 14 – Jul 20, 2025 |
| W30 | Jul 21 – Jul 27, 2025 |
| W31 | Jul 28 – Aug 3, 2025 |
| W32 | Aug 4 – Aug 10, 2025 |
| W33 | Aug 11 – Aug 17, 2025 |
| W34 | Aug 18 – Aug 24, 2025 |
| W35 | Aug 25 – Aug 31, 2025 |
| W36 | Sep 1 – Sep 7, 2025 |
| W37 | Sep 8 – Sep 14, 2025 |
| W38 | Sep 15 – Sep 21, 2025 |
| W39 | Sep 22 – Sep 28, 2025 |
| W40 | Sep 29 – Oct 5, 2025 |
| W41 | Oct 6 – Oct 12, 2025 |
| W42 | Oct 13 – Oct 19, 2025 |
| W43 | Oct 20 – Oct 26, 2025 |
| W44 | Oct 27 – Nov 2, 2025 |
| W45 | Nov 3 – Nov 9, 2025 |
| W46 | Nov 10 – Nov 16, 2025 |
| W47 | Nov 17 – Nov 23, 2025 |
| W48 | Nov 24 – Nov 30, 2025 |
| W49 | Dec 1 – Dec 7, 2025 |
| W50 | Dec 8 – Dec 14, 2025 |
| W51 | Dec 15 – Dec 21, 2025 |
| W52 | Dec 22 – Dec 28, 2025 |