Home › Date tools › Week number
What week number is it?
–week of 2026
Week numbers here follow the ISO 8601 standard used across Europe and in most business software: weeks start on Monday, and week 1 is the week with the year's first Thursday.
All weeks of 2026
| Week | Monday to Sunday |
|---|---|
| Week 1 | 29 December 2025 – 4 January 2026 |
| Week 2 | 5 January – 11 January 2026 |
| Week 3 | 12 January – 18 January 2026 |
| Week 4 | 19 January – 25 January 2026 |
| Week 5 | 26 January – 1 February 2026 |
| Week 6 | 2 February – 8 February 2026 |
| Week 7 | 9 February – 15 February 2026 |
| Week 8 | 16 February – 22 February 2026 |
| Week 9 | 23 February – 1 March 2026 |
| Week 10 | 2 March – 8 March 2026 |
| Week 11 | 9 March – 15 March 2026 |
| Week 12 | 16 March – 22 March 2026 |
| Week 13 | 23 March – 29 March 2026 |
| Week 14 | 30 March – 5 April 2026 |
| Week 15 | 6 April – 12 April 2026 |
| Week 16 | 13 April – 19 April 2026 |
| Week 17 | 20 April – 26 April 2026 |
| Week 18 | 27 April – 3 May 2026 |
| Week 19 | 4 May – 10 May 2026 |
| Week 20 | 11 May – 17 May 2026 |
| Week 21 | 18 May – 24 May 2026 |
| Week 22 | 25 May – 31 May 2026 |
| Week 23 | 1 June – 7 June 2026 |
| Week 24 | 8 June – 14 June 2026 |
| Week 25 | 15 June – 21 June 2026 |
| Week 26 | 22 June – 28 June 2026 |
| Week 27 | 29 June – 5 July 2026 |
| Week 28 | 6 July – 12 July 2026 |
| Week 29 | 13 July – 19 July 2026 |
| Week 30 | 20 July – 26 July 2026 |
| Week 31 | 27 July – 2 August 2026 |
| Week 32 | 3 August – 9 August 2026 |
| Week 33 | 10 August – 16 August 2026 |
| Week 34 | 17 August – 23 August 2026 |
| Week 35 | 24 August – 30 August 2026 |
| Week 36 | 31 August – 6 September 2026 |
| Week 37 | 7 September – 13 September 2026 |
| Week 38 | 14 September – 20 September 2026 |
| Week 39 | 21 September – 27 September 2026 |
| Week 40 | 28 September – 4 October 2026 |
| Week 41 | 5 October – 11 October 2026 |
| Week 42 | 12 October – 18 October 2026 |
| Week 43 | 19 October – 25 October 2026 |
| Week 44 | 26 October – 1 November 2026 |
| Week 45 | 2 November – 8 November 2026 |
| Week 46 | 9 November – 15 November 2026 |
| Week 47 | 16 November – 22 November 2026 |
| Week 48 | 23 November – 29 November 2026 |
| Week 49 | 30 November – 6 December 2026 |
| Week 50 | 7 December – 13 December 2026 |
| Week 51 | 14 December – 20 December 2026 |
| Week 52 | 21 December – 27 December 2026 |
| Week 53 | 28 December – 3 January 2027 |
More date tools
Date calculatorDays between two dates, or add and subtract daysWorking daysBusiness days between two dates, minus public holidaysAge calculatorYour exact age and your next birthdayDay of the weekWhat day of the week any date falls on
📖 How do week numbers work? — read our guide