Week Numbers 2005 in Costa Rica
Number of weeks in 2005 year is 53 weeks
Weeks are according Costa Rica calendar rules, Sunday first day and weeks are Sunday to Saturday
| Week # | From Date | To Date | Weeks from Now |
|---|---|---|---|
| Week 1 | December 26, 2004 | January 1, 2005 | passed 851 weeks ago |
| Week 2 | January 2, 2005 | January 8, 2005 | passed 850 weeks ago |
| Week 3 | January 9, 2005 | January 15, 2005 | passed 849 weeks ago |
| Week 4 | January 16, 2005 | January 22, 2005 | passed 848 weeks ago |
| Week 5 | January 23, 2005 | January 29, 2005 | passed 847 weeks ago |
| Week 6 | January 30, 2005 | February 5, 2005 | passed 846 weeks ago |
| Week 7 | February 6, 2005 | February 12, 2005 | passed 845 weeks ago |
| Week 8 | February 13, 2005 | February 19, 2005 | passed 844 weeks ago |
| Week 9 | February 20, 2005 | February 26, 2005 | passed 843 weeks ago |
| Week 10 | February 27, 2005 | March 5, 2005 | passed 842 weeks ago |
| Week 11 | March 6, 2005 | March 12, 2005 | passed 841 weeks ago |
| Week 12 | March 13, 2005 | March 19, 2005 | passed 840 weeks ago |
| Week 13 | March 20, 2005 | March 26, 2005 | passed 839 weeks ago |
| Week 14 | March 27, 2005 | April 2, 2005 | passed 838 weeks ago |
| Week 15 | April 3, 2005 | April 9, 2005 | passed 837 weeks ago |
| Week 16 | April 10, 2005 | April 16, 2005 | passed 836 weeks ago |
| Week 17 | April 17, 2005 | April 23, 2005 | passed 835 weeks ago |
| Week 18 | April 24, 2005 | April 30, 2005 | passed 834 weeks ago |
| Week 19 | May 1, 2005 | May 7, 2005 | passed 833 weeks ago |
| Week 20 | May 8, 2005 | May 14, 2005 | passed 832 weeks ago |
| Week 21 | May 15, 2005 | May 21, 2005 | passed 831 weeks ago |
| Week 22 | May 22, 2005 | May 28, 2005 | passed 830 weeks ago |
| Week 23 | May 29, 2005 | June 4, 2005 | passed 829 weeks ago |
| Week 24 | June 5, 2005 | June 11, 2005 | passed 828 weeks ago |
| Week 25 | June 12, 2005 | June 18, 2005 | passed 827 weeks ago |
| Week 26 | June 19, 2005 | June 25, 2005 | passed 826 weeks ago |
| Week 27 | June 26, 2005 | July 2, 2005 | passed 825 weeks ago |
| Week 28 | July 3, 2005 | July 9, 2005 | passed 824 weeks ago |
| Week 29 | July 10, 2005 | July 16, 2005 | passed 823 weeks ago |
| Week 30 | July 17, 2005 | July 23, 2005 | passed 822 weeks ago |
| Week 31 | July 24, 2005 | July 30, 2005 | passed 821 weeks ago |
| Week 32 | July 31, 2005 | August 6, 2005 | passed 820 weeks ago |
| Week 33 | August 7, 2005 | August 13, 2005 | passed 819 weeks ago |
| Week 34 | August 14, 2005 | August 20, 2005 | passed 818 weeks ago |
| Week 35 | August 21, 2005 | August 27, 2005 | passed 817 weeks ago |
| Week 36 | August 28, 2005 | September 3, 2005 | passed 816 weeks ago |
| Week 37 | September 4, 2005 | September 10, 2005 | passed 815 weeks ago |
| Week 38 | September 11, 2005 | September 17, 2005 | passed 814 weeks ago |
| Week 39 | September 18, 2005 | September 24, 2005 | passed 813 weeks ago |
| Week 40 | September 25, 2005 | October 1, 2005 | passed 812 weeks ago |
| Week 41 | October 2, 2005 | October 8, 2005 | passed 811 weeks ago |
| Week 42 | October 9, 2005 | October 15, 2005 | passed 810 weeks ago |
| Week 43 | October 16, 2005 | October 22, 2005 | passed 809 weeks ago |
| Week 44 | October 23, 2005 | October 29, 2005 | passed 808 weeks ago |
| Week 45 | October 30, 2005 | November 5, 2005 | passed 807 weeks ago |
| Week 46 | November 6, 2005 | November 12, 2005 | passed 806 weeks ago |
| Week 47 | November 13, 2005 | November 19, 2005 | passed 805 weeks ago |
| Week 48 | November 20, 2005 | November 26, 2005 | passed 804 weeks ago |
| Week 49 | November 27, 2005 | December 3, 2005 | passed 803 weeks ago |
| Week 50 | December 4, 2005 | December 10, 2005 | passed 802 weeks ago |
| Week 51 | December 11, 2005 | December 17, 2005 | passed 801 weeks ago |
| Week 52 | December 18, 2005 | December 24, 2005 | passed 800 weeks ago |
| Week 53 | December 25, 2005 | December 31, 2005 | passed 799 weeks ago |