Week Numbers 1815 in Costa Rica
Number of weeks in 1815 year is 52 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 | January 1, 1815 | January 7, 1815 | passed 10950 weeks ago |
| Week 2 | January 8, 1815 | January 14, 1815 | passed 10949 weeks ago |
| Week 3 | January 15, 1815 | January 21, 1815 | passed 10948 weeks ago |
| Week 4 | January 22, 1815 | January 28, 1815 | passed 10947 weeks ago |
| Week 5 | January 29, 1815 | February 4, 1815 | passed 10946 weeks ago |
| Week 6 | February 5, 1815 | February 11, 1815 | passed 10945 weeks ago |
| Week 7 | February 12, 1815 | February 18, 1815 | passed 10944 weeks ago |
| Week 8 | February 19, 1815 | February 25, 1815 | passed 10943 weeks ago |
| Week 9 | February 26, 1815 | March 4, 1815 | passed 10942 weeks ago |
| Week 10 | March 5, 1815 | March 11, 1815 | passed 10941 weeks ago |
| Week 11 | March 12, 1815 | March 18, 1815 | passed 10940 weeks ago |
| Week 12 | March 19, 1815 | March 25, 1815 | passed 10939 weeks ago |
| Week 13 | March 26, 1815 | April 1, 1815 | passed 10938 weeks ago |
| Week 14 | April 2, 1815 | April 8, 1815 | passed 10937 weeks ago |
| Week 15 | April 9, 1815 | April 15, 1815 | passed 10936 weeks ago |
| Week 16 | April 16, 1815 | April 22, 1815 | passed 10935 weeks ago |
| Week 17 | April 23, 1815 | April 29, 1815 | passed 10934 weeks ago |
| Week 18 | April 30, 1815 | May 6, 1815 | passed 10933 weeks ago |
| Week 19 | May 7, 1815 | May 13, 1815 | passed 10932 weeks ago |
| Week 20 | May 14, 1815 | May 20, 1815 | passed 10931 weeks ago |
| Week 21 | May 21, 1815 | May 27, 1815 | passed 10930 weeks ago |
| Week 22 | May 28, 1815 | June 3, 1815 | passed 10929 weeks ago |
| Week 23 | June 4, 1815 | June 10, 1815 | passed 10928 weeks ago |
| Week 24 | June 11, 1815 | June 17, 1815 | passed 10927 weeks ago |
| Week 25 | June 18, 1815 | June 24, 1815 | passed 10926 weeks ago |
| Week 26 | June 25, 1815 | July 1, 1815 | passed 10925 weeks ago |
| Week 27 | July 2, 1815 | July 8, 1815 | passed 10924 weeks ago |
| Week 28 | July 9, 1815 | July 15, 1815 | passed 10923 weeks ago |
| Week 29 | July 16, 1815 | July 22, 1815 | passed 10922 weeks ago |
| Week 30 | July 23, 1815 | July 29, 1815 | passed 10921 weeks ago |
| Week 31 | July 30, 1815 | August 5, 1815 | passed 10920 weeks ago |
| Week 32 | August 6, 1815 | August 12, 1815 | passed 10919 weeks ago |
| Week 33 | August 13, 1815 | August 19, 1815 | passed 10918 weeks ago |
| Week 34 | August 20, 1815 | August 26, 1815 | passed 10917 weeks ago |
| Week 35 | August 27, 1815 | September 2, 1815 | passed 10916 weeks ago |
| Week 36 | September 3, 1815 | September 9, 1815 | passed 10915 weeks ago |
| Week 37 | September 10, 1815 | September 16, 1815 | passed 10914 weeks ago |
| Week 38 | September 17, 1815 | September 23, 1815 | passed 10913 weeks ago |
| Week 39 | September 24, 1815 | September 30, 1815 | passed 10912 weeks ago |
| Week 40 | October 1, 1815 | October 7, 1815 | passed 10911 weeks ago |
| Week 41 | October 8, 1815 | October 14, 1815 | passed 10910 weeks ago |
| Week 42 | October 15, 1815 | October 21, 1815 | passed 10909 weeks ago |
| Week 43 | October 22, 1815 | October 28, 1815 | passed 10908 weeks ago |
| Week 44 | October 29, 1815 | November 4, 1815 | passed 10907 weeks ago |
| Week 45 | November 5, 1815 | November 11, 1815 | passed 10906 weeks ago |
| Week 46 | November 12, 1815 | November 18, 1815 | passed 10905 weeks ago |
| Week 47 | November 19, 1815 | November 25, 1815 | passed 10904 weeks ago |
| Week 48 | November 26, 1815 | December 2, 1815 | passed 10903 weeks ago |
| Week 49 | December 3, 1815 | December 9, 1815 | passed 10902 weeks ago |
| Week 50 | December 10, 1815 | December 16, 1815 | passed 10901 weeks ago |
| Week 51 | December 17, 1815 | December 23, 1815 | passed 10900 weeks ago |
| Week 52 | December 24, 1815 | December 30, 1815 | passed 10899 weeks ago |