Hourora

Keyboard shortcuts

/
Search a city
H
Switch 12 / 24-hour
S
Show or hide seconds
T
Theme: day, night, automatic
P
Pause or resume the globe
?
This list
EN

Week numbers 2025

Week numbers 2025

2025 has 52 ISO weeks. Each row gives the Monday and the Sunday of the week. Print this page for a plain list of the weeks.

Weeks in 2025
52 weeks
A regular year: it has 52 ISO weeks.
Week 1 starts
Monday, 30 December 2024
the week that contains 4 January
Last week ends
Sunday, 28 December 2025
week 52
1 January 2025
Week 1 of 2025
Weeks 1 and 52 can include days of the neighbouring years: a week belongs to the year that contains its Thursday.

Printable 2025 calendars by countryWith public holidays and week numbers, as a PDF or PNG.

All weeks

The 52 weeks of 2025

  1. Week 1Mon, 30 Dec 2024 – Sun, 5 Jan 2025
  2. Week 2Mon 6 Jan – Sun, 12 Jan 2025
  3. Week 3Mon 13 Jan – Sun, 19 Jan 2025
  4. Week 4Mon 20 Jan – Sun, 26 Jan 2025
  5. Week 5Mon 27 Jan – Sun, 2 Feb 2025
  6. Week 6Mon 3 Feb – Sun, 9 Feb 2025
  7. Week 7Mon 10 Feb – Sun, 16 Feb 2025
  8. Week 8Mon 17 Feb – Sun, 23 Feb 2025
  9. Week 9Mon 24 Feb – Sun, 2 Mar 2025
  10. Week 10Mon 3 Mar – Sun, 9 Mar 2025
  11. Week 11Mon 10 Mar – Sun, 16 Mar 2025
  12. Week 12Mon 17 Mar – Sun, 23 Mar 2025
  13. Week 13Mon 24 Mar – Sun, 30 Mar 2025
  14. Week 14Mon 31 Mar – Sun, 6 Apr 2025
  15. Week 15Mon 7 Apr – Sun, 13 Apr 2025
  16. Week 16Mon 14 Apr – Sun, 20 Apr 2025
  17. Week 17Mon 21 Apr – Sun, 27 Apr 2025
  18. Week 18Mon 28 Apr – Sun, 4 May 2025
  19. Week 19Mon 5 May – Sun, 11 May 2025
  20. Week 20Mon 12 May – Sun, 18 May 2025
  21. Week 21Mon 19 May – Sun, 25 May 2025
  22. Week 22Mon 26 May – Sun, 1 Jun 2025
  23. Week 23Mon 2 Jun – Sun, 8 Jun 2025
  24. Week 24Mon 9 Jun – Sun, 15 Jun 2025
  25. Week 25Mon 16 Jun – Sun, 22 Jun 2025
  26. Week 26Mon 23 Jun – Sun, 29 Jun 2025
  27. Week 27Mon 30 Jun – Sun, 6 Jul 2025
  28. Week 28Mon 7 Jul – Sun, 13 Jul 2025
  29. Week 29Mon 14 Jul – Sun, 20 Jul 2025
  30. Week 30Mon 21 Jul – Sun, 27 Jul 2025
  31. Week 31Mon 28 Jul – Sun, 3 Aug 2025
  32. Week 32Mon 4 Aug – Sun, 10 Aug 2025
  33. Week 33Mon 11 Aug – Sun, 17 Aug 2025
  34. Week 34Mon 18 Aug – Sun, 24 Aug 2025
  35. Week 35Mon 25 Aug – Sun, 31 Aug 2025
  36. Week 36Mon 1 Sept – Sun, 7 Sept 2025
  37. Week 37Mon 8 Sept – Sun, 14 Sept 2025
  38. Week 38Mon 15 Sept – Sun, 21 Sept 2025
  39. Week 39Mon 22 Sept – Sun, 28 Sept 2025
  40. Week 40Mon 29 Sept – Sun, 5 Oct 2025
  41. Week 41Mon 6 Oct – Sun, 12 Oct 2025
  42. Week 42Mon 13 Oct – Sun, 19 Oct 2025
  43. Week 43Mon 20 Oct – Sun, 26 Oct 2025
  44. Week 44Mon 27 Oct – Sun, 2 Nov 2025
  45. Week 45Mon 3 Nov – Sun, 9 Nov 2025
  46. Week 46Mon 10 Nov – Sun, 16 Nov 2025
  47. Week 47Mon 17 Nov – Sun, 23 Nov 2025
  48. Week 48Mon 24 Nov – Sun, 30 Nov 2025
  49. Week 49Mon 1 Dec – Sun, 7 Dec 2025
  50. Week 50Mon 8 Dec – Sun, 14 Dec 2025
  51. Week 51Mon 15 Dec – Sun, 21 Dec 2025
  52. Week 52Mon 22 Dec – Sun, 28 Dec 2025

What week is it now?202420262026

How it works

Week number

2025 has 52 ISO weeks. It begins on a Wednesday; only years that begin on a Thursday, or on a Wednesday in a leap year, have 53 weeks.

ISO 8601 numbers the weeks of a year from 1 to 52 or 53. Weeks run from Monday to Sunday, and week 1 is the week that holds the first Thursday of the year, which is also the week that contains 4 January. Each week belongs to the year that contains its Thursday.

Questions

Good to know

How many weeks are there in 2025?

2025 has 52 ISO weeks (52 or 53 in any year).

When does week 1 of 2025 start?

Week 1 of 2025 runs Mon, 30 Dec 2024 – Sun, 5 Jan 2025. It is the week that contains 4 January 2025.

Which years after 2025 have 53 weeks?

2026, 2032, 2037, 2043. A year has 53 ISO weeks when 1 January is a Thursday, or a Wednesday in a leap year.

How do I get a printable list or calendar?

Use the print button above for this list of weeks, or open the printable calendar of your country: it marks the public holidays and shows the ISO week number of every week.