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 2013

Week numbers 2013

2013 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 2013
52 weeks
A regular year: it has 52 ISO weeks.
Week 1 starts
Monday, 31 December 2012
the week that contains 4 January
Last week ends
Sunday, 29 December 2013
week 52
1 January 2013
Week 1 of 2013
Weeks 1 and 52 can include days of the neighbouring years: a week belongs to the year that contains its Thursday.

Printable 2013 calendars by countryWith public holidays and week numbers, as a PDF or PNG.

All weeks

The 52 weeks of 2013

  1. Week 1Mon, 31 Dec 2012 – Sun, 6 Jan 2013
  2. Week 2Mon 7 Jan – Sun, 13 Jan 2013
  3. Week 3Mon 14 Jan – Sun, 20 Jan 2013
  4. Week 4Mon 21 Jan – Sun, 27 Jan 2013
  5. Week 5Mon 28 Jan – Sun, 3 Feb 2013
  6. Week 6Mon 4 Feb – Sun, 10 Feb 2013
  7. Week 7Mon 11 Feb – Sun, 17 Feb 2013
  8. Week 8Mon 18 Feb – Sun, 24 Feb 2013
  9. Week 9Mon 25 Feb – Sun, 3 Mar 2013
  10. Week 10Mon 4 Mar – Sun, 10 Mar 2013
  11. Week 11Mon 11 Mar – Sun, 17 Mar 2013
  12. Week 12Mon 18 Mar – Sun, 24 Mar 2013
  13. Week 13Mon 25 Mar – Sun, 31 Mar 2013
  14. Week 14Mon 1 Apr – Sun, 7 Apr 2013
  15. Week 15Mon 8 Apr – Sun, 14 Apr 2013
  16. Week 16Mon 15 Apr – Sun, 21 Apr 2013
  17. Week 17Mon 22 Apr – Sun, 28 Apr 2013
  18. Week 18Mon 29 Apr – Sun, 5 May 2013
  19. Week 19Mon 6 May – Sun, 12 May 2013
  20. Week 20Mon 13 May – Sun, 19 May 2013
  21. Week 21Mon 20 May – Sun, 26 May 2013
  22. Week 22Mon 27 May – Sun, 2 Jun 2013
  23. Week 23Mon 3 Jun – Sun, 9 Jun 2013
  24. Week 24Mon 10 Jun – Sun, 16 Jun 2013
  25. Week 25Mon 17 Jun – Sun, 23 Jun 2013
  26. Week 26Mon 24 Jun – Sun, 30 Jun 2013
  27. Week 27Mon 1 Jul – Sun, 7 Jul 2013
  28. Week 28Mon 8 Jul – Sun, 14 Jul 2013
  29. Week 29Mon 15 Jul – Sun, 21 Jul 2013
  30. Week 30Mon 22 Jul – Sun, 28 Jul 2013
  31. Week 31Mon 29 Jul – Sun, 4 Aug 2013
  32. Week 32Mon 5 Aug – Sun, 11 Aug 2013
  33. Week 33Mon 12 Aug – Sun, 18 Aug 2013
  34. Week 34Mon 19 Aug – Sun, 25 Aug 2013
  35. Week 35Mon 26 Aug – Sun, 1 Sept 2013
  36. Week 36Mon 2 Sept – Sun, 8 Sept 2013
  37. Week 37Mon 9 Sept – Sun, 15 Sept 2013
  38. Week 38Mon 16 Sept – Sun, 22 Sept 2013
  39. Week 39Mon 23 Sept – Sun, 29 Sept 2013
  40. Week 40Mon 30 Sept – Sun, 6 Oct 2013
  41. Week 41Mon 7 Oct – Sun, 13 Oct 2013
  42. Week 42Mon 14 Oct – Sun, 20 Oct 2013
  43. Week 43Mon 21 Oct – Sun, 27 Oct 2013
  44. Week 44Mon 28 Oct – Sun, 3 Nov 2013
  45. Week 45Mon 4 Nov – Sun, 10 Nov 2013
  46. Week 46Mon 11 Nov – Sun, 17 Nov 2013
  47. Week 47Mon 18 Nov – Sun, 24 Nov 2013
  48. Week 48Mon 25 Nov – Sun, 1 Dec 2013
  49. Week 49Mon 2 Dec – Sun, 8 Dec 2013
  50. Week 50Mon 9 Dec – Sun, 15 Dec 2013
  51. Week 51Mon 16 Dec – Sun, 22 Dec 2013
  52. Week 52Mon 23 Dec – Sun, 29 Dec 2013

What week is it now?201220142026

How it works

Week number

2013 has 52 ISO weeks. It begins on a Tuesday; 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 2013?

2013 has 52 ISO weeks (52 or 53 in any year).

When does week 1 of 2013 start?

Week 1 of 2013 runs Mon, 31 Dec 2012 – Sun, 6 Jan 2013. It is the week that contains 4 January 2013.

Which years after 2013 have 53 weeks?

2015, 2020, 2026, 2032. 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.