Week Numbers 1881 in Costa Rica
Number of weeks in 1881 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, 1880 | January 1, 1881 | passed 7507 weeks ago |
| Week 2 | January 2, 1881 | January 8, 1881 | passed 7506 weeks ago |
| Week 3 | January 9, 1881 | January 15, 1881 | passed 7505 weeks ago |
| Week 4 | January 16, 1881 | January 22, 1881 | passed 7504 weeks ago |
| Week 5 | January 23, 1881 | January 29, 1881 | passed 7503 weeks ago |
| Week 6 | January 30, 1881 | February 5, 1881 | passed 7502 weeks ago |
| Week 7 | February 6, 1881 | February 12, 1881 | passed 7501 weeks ago |
| Week 8 | February 13, 1881 | February 19, 1881 | passed 7500 weeks ago |
| Week 9 | February 20, 1881 | February 26, 1881 | passed 7499 weeks ago |
| Week 10 | February 27, 1881 | March 5, 1881 | passed 7498 weeks ago |
| Week 11 | March 6, 1881 | March 12, 1881 | passed 7497 weeks ago |
| Week 12 | March 13, 1881 | March 19, 1881 | passed 7496 weeks ago |
| Week 13 | March 20, 1881 | March 26, 1881 | passed 7495 weeks ago |
| Week 14 | March 27, 1881 | April 2, 1881 | passed 7494 weeks ago |
| Week 15 | April 3, 1881 | April 9, 1881 | passed 7493 weeks ago |
| Week 16 | April 10, 1881 | April 16, 1881 | passed 7492 weeks ago |
| Week 17 | April 17, 1881 | April 23, 1881 | passed 7491 weeks ago |
| Week 18 | April 24, 1881 | April 30, 1881 | passed 7490 weeks ago |
| Week 19 | May 1, 1881 | May 7, 1881 | passed 7489 weeks ago |
| Week 20 | May 8, 1881 | May 14, 1881 | passed 7488 weeks ago |
| Week 21 | May 15, 1881 | May 21, 1881 | passed 7487 weeks ago |
| Week 22 | May 22, 1881 | May 28, 1881 | passed 7486 weeks ago |
| Week 23 | May 29, 1881 | June 4, 1881 | passed 7485 weeks ago |
| Week 24 | June 5, 1881 | June 11, 1881 | passed 7484 weeks ago |
| Week 25 | June 12, 1881 | June 18, 1881 | passed 7483 weeks ago |
| Week 26 | June 19, 1881 | June 25, 1881 | passed 7482 weeks ago |
| Week 27 | June 26, 1881 | July 2, 1881 | passed 7481 weeks ago |
| Week 28 | July 3, 1881 | July 9, 1881 | passed 7480 weeks ago |
| Week 29 | July 10, 1881 | July 16, 1881 | passed 7479 weeks ago |
| Week 30 | July 17, 1881 | July 23, 1881 | passed 7478 weeks ago |
| Week 31 | July 24, 1881 | July 30, 1881 | passed 7477 weeks ago |
| Week 32 | July 31, 1881 | August 6, 1881 | passed 7476 weeks ago |
| Week 33 | August 7, 1881 | August 13, 1881 | passed 7475 weeks ago |
| Week 34 | August 14, 1881 | August 20, 1881 | passed 7474 weeks ago |
| Week 35 | August 21, 1881 | August 27, 1881 | passed 7473 weeks ago |
| Week 36 | August 28, 1881 | September 3, 1881 | passed 7472 weeks ago |
| Week 37 | September 4, 1881 | September 10, 1881 | passed 7471 weeks ago |
| Week 38 | September 11, 1881 | September 17, 1881 | passed 7470 weeks ago |
| Week 39 | September 18, 1881 | September 24, 1881 | passed 7469 weeks ago |
| Week 40 | September 25, 1881 | October 1, 1881 | passed 7468 weeks ago |
| Week 41 | October 2, 1881 | October 8, 1881 | passed 7467 weeks ago |
| Week 42 | October 9, 1881 | October 15, 1881 | passed 7466 weeks ago |
| Week 43 | October 16, 1881 | October 22, 1881 | passed 7465 weeks ago |
| Week 44 | October 23, 1881 | October 29, 1881 | passed 7464 weeks ago |
| Week 45 | October 30, 1881 | November 5, 1881 | passed 7463 weeks ago |
| Week 46 | November 6, 1881 | November 12, 1881 | passed 7462 weeks ago |
| Week 47 | November 13, 1881 | November 19, 1881 | passed 7461 weeks ago |
| Week 48 | November 20, 1881 | November 26, 1881 | passed 7460 weeks ago |
| Week 49 | November 27, 1881 | December 3, 1881 | passed 7459 weeks ago |
| Week 50 | December 4, 1881 | December 10, 1881 | passed 7458 weeks ago |
| Week 51 | December 11, 1881 | December 17, 1881 | passed 7457 weeks ago |
| Week 52 | December 18, 1881 | December 24, 1881 | passed 7456 weeks ago |
| Week 53 | December 25, 1881 | December 31, 1881 | passed 7455 weeks ago |