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 2009

Week numbers 2009

2009 has 53 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 2009
53 weeks
A long year: it has 53 ISO weeks.
Week 1 starts
Monday, 29 December 2008
the week that contains 4 January
Last week ends
Sunday, 3 January 2010
week 53
1 January 2009
Week 1 of 2009
Weeks 1 and 53 can include days of the neighbouring years: a week belongs to the year that contains its Thursday.

Printable 2009 calendars by countryWith public holidays and week numbers, as a PDF or PNG.

All weeks

The 53 weeks of 2009

  1. Week 1Mon, 29 Dec 2008 – Sun, 4 Jan 2009
  2. Week 2Mon 5 Jan – Sun, 11 Jan 2009
  3. Week 3Mon 12 Jan – Sun, 18 Jan 2009
  4. Week 4Mon 19 Jan – Sun, 25 Jan 2009
  5. Week 5Mon 26 Jan – Sun, 1 Feb 2009
  6. Week 6Mon 2 Feb – Sun, 8 Feb 2009
  7. Week 7Mon 9 Feb – Sun, 15 Feb 2009
  8. Week 8Mon 16 Feb – Sun, 22 Feb 2009
  9. Week 9Mon 23 Feb – Sun, 1 Mar 2009
  10. Week 10Mon 2 Mar – Sun, 8 Mar 2009
  11. Week 11Mon 9 Mar – Sun, 15 Mar 2009
  12. Week 12Mon 16 Mar – Sun, 22 Mar 2009
  13. Week 13Mon 23 Mar – Sun, 29 Mar 2009
  14. Week 14Mon 30 Mar – Sun, 5 Apr 2009
  15. Week 15Mon 6 Apr – Sun, 12 Apr 2009
  16. Week 16Mon 13 Apr – Sun, 19 Apr 2009
  17. Week 17Mon 20 Apr – Sun, 26 Apr 2009
  18. Week 18Mon 27 Apr – Sun, 3 May 2009
  19. Week 19Mon 4 May – Sun, 10 May 2009
  20. Week 20Mon 11 May – Sun, 17 May 2009
  21. Week 21Mon 18 May – Sun, 24 May 2009
  22. Week 22Mon 25 May – Sun, 31 May 2009
  23. Week 23Mon 1 Jun – Sun, 7 Jun 2009
  24. Week 24Mon 8 Jun – Sun, 14 Jun 2009
  25. Week 25Mon 15 Jun – Sun, 21 Jun 2009
  26. Week 26Mon 22 Jun – Sun, 28 Jun 2009
  27. Week 27Mon 29 Jun – Sun, 5 Jul 2009
  28. Week 28Mon 6 Jul – Sun, 12 Jul 2009
  29. Week 29Mon 13 Jul – Sun, 19 Jul 2009
  30. Week 30Mon 20 Jul – Sun, 26 Jul 2009
  31. Week 31Mon 27 Jul – Sun, 2 Aug 2009
  32. Week 32Mon 3 Aug – Sun, 9 Aug 2009
  33. Week 33Mon 10 Aug – Sun, 16 Aug 2009
  34. Week 34Mon 17 Aug – Sun, 23 Aug 2009
  35. Week 35Mon 24 Aug – Sun, 30 Aug 2009
  36. Week 36Mon 31 Aug – Sun, 6 Sept 2009
  37. Week 37Mon 7 Sept – Sun, 13 Sept 2009
  38. Week 38Mon 14 Sept – Sun, 20 Sept 2009
  39. Week 39Mon 21 Sept – Sun, 27 Sept 2009
  40. Week 40Mon 28 Sept – Sun, 4 Oct 2009
  41. Week 41Mon 5 Oct – Sun, 11 Oct 2009
  42. Week 42Mon 12 Oct – Sun, 18 Oct 2009
  43. Week 43Mon 19 Oct – Sun, 25 Oct 2009
  44. Week 44Mon 26 Oct – Sun, 1 Nov 2009
  45. Week 45Mon 2 Nov – Sun, 8 Nov 2009
  46. Week 46Mon 9 Nov – Sun, 15 Nov 2009
  47. Week 47Mon 16 Nov – Sun, 22 Nov 2009
  48. Week 48Mon 23 Nov – Sun, 29 Nov 2009
  49. Week 49Mon 30 Nov – Sun, 6 Dec 2009
  50. Week 50Mon 7 Dec – Sun, 13 Dec 2009
  51. Week 51Mon 14 Dec – Sun, 20 Dec 2009
  52. Week 52Mon 21 Dec – Sun, 27 Dec 2009
  53. Week 53Mon, 28 Dec 2009 – Sun, 3 Jan 2010

What week is it now?200820102026

How it works

Week number

2009 has 53 ISO weeks. It begins on a Thursday, and a year has 53 weeks when 1 January is a Thursday, or a Wednesday in a leap year. The extra week comes at the end of the year.

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 2009?

2009 has 53 ISO weeks (52 or 53 in any year).

When does week 1 of 2009 start?

Week 1 of 2009 runs Mon, 29 Dec 2008 – Sun, 4 Jan 2009. It is the week that contains 4 January 2009.

Which years after 2009 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.