Week Numbers 1921 in Poland
Number of weeks in 1921 year is 52 weeks
Weeks are according Poland calendar rules, Monday first day and weeks are Monday to Sunday
| Week # | From Date | To Date | Weeks from Now |
|---|---|---|---|
| Week 1 | January 3, 1921 | January 9, 1921 | passed 5486 weeks ago |
| Week 2 | January 10, 1921 | January 16, 1921 | passed 5485 weeks ago |
| Week 3 | January 17, 1921 | January 23, 1921 | passed 5484 weeks ago |
| Week 4 | January 24, 1921 | January 30, 1921 | passed 5483 weeks ago |
| Week 5 | January 31, 1921 | February 6, 1921 | passed 5482 weeks ago |
| Week 6 | February 7, 1921 | February 13, 1921 | passed 5481 weeks ago |
| Week 7 | February 14, 1921 | February 20, 1921 | passed 5480 weeks ago |
| Week 8 | February 21, 1921 | February 27, 1921 | passed 5479 weeks ago |
| Week 9 | February 28, 1921 | March 6, 1921 | passed 5478 weeks ago |
| Week 10 | March 7, 1921 | March 13, 1921 | passed 5477 weeks ago |
| Week 11 | March 14, 1921 | March 20, 1921 | passed 5476 weeks ago |
| Week 12 | March 21, 1921 | March 27, 1921 | passed 5475 weeks ago |
| Week 13 | March 28, 1921 | April 3, 1921 | passed 5474 weeks ago |
| Week 14 | April 4, 1921 | April 10, 1921 | passed 5473 weeks ago |
| Week 15 | April 11, 1921 | April 17, 1921 | passed 5472 weeks ago |
| Week 16 | April 18, 1921 | April 24, 1921 | passed 5471 weeks ago |
| Week 17 | April 25, 1921 | May 1, 1921 | passed 5470 weeks ago |
| Week 18 | May 2, 1921 | May 8, 1921 | passed 5469 weeks ago |
| Week 19 | May 9, 1921 | May 15, 1921 | passed 5468 weeks ago |
| Week 20 | May 16, 1921 | May 22, 1921 | passed 5467 weeks ago |
| Week 21 | May 23, 1921 | May 29, 1921 | passed 5466 weeks ago |
| Week 22 | May 30, 1921 | June 5, 1921 | passed 5465 weeks ago |
| Week 23 | June 6, 1921 | June 12, 1921 | passed 5464 weeks ago |
| Week 24 | June 13, 1921 | June 19, 1921 | passed 5463 weeks ago |
| Week 25 | June 20, 1921 | June 26, 1921 | passed 5462 weeks ago |
| Week 26 | June 27, 1921 | July 3, 1921 | passed 5461 weeks ago |
| Week 27 | July 4, 1921 | July 10, 1921 | passed 5460 weeks ago |
| Week 28 | July 11, 1921 | July 17, 1921 | passed 5459 weeks ago |
| Week 29 | July 18, 1921 | July 24, 1921 | passed 5458 weeks ago |
| Week 30 | July 25, 1921 | July 31, 1921 | passed 5457 weeks ago |
| Week 31 | August 1, 1921 | August 7, 1921 | passed 5456 weeks ago |
| Week 32 | August 8, 1921 | August 14, 1921 | passed 5455 weeks ago |
| Week 33 | August 15, 1921 | August 21, 1921 | passed 5454 weeks ago |
| Week 34 | August 22, 1921 | August 28, 1921 | passed 5453 weeks ago |
| Week 35 | August 29, 1921 | September 4, 1921 | passed 5452 weeks ago |
| Week 36 | September 5, 1921 | September 11, 1921 | passed 5451 weeks ago |
| Week 37 | September 12, 1921 | September 18, 1921 | passed 5450 weeks ago |
| Week 38 | September 19, 1921 | September 25, 1921 | passed 5449 weeks ago |
| Week 39 | September 26, 1921 | October 2, 1921 | passed 5448 weeks ago |
| Week 40 | October 3, 1921 | October 9, 1921 | passed 5447 weeks ago |
| Week 41 | October 10, 1921 | October 16, 1921 | passed 5446 weeks ago |
| Week 42 | October 17, 1921 | October 23, 1921 | passed 5445 weeks ago |
| Week 43 | October 24, 1921 | October 30, 1921 | passed 5444 weeks ago |
| Week 44 | October 31, 1921 | November 6, 1921 | passed 5443 weeks ago |
| Week 45 | November 7, 1921 | November 13, 1921 | passed 5442 weeks ago |
| Week 46 | November 14, 1921 | November 20, 1921 | passed 5441 weeks ago |
| Week 47 | November 21, 1921 | November 27, 1921 | passed 5440 weeks ago |
| Week 48 | November 28, 1921 | December 4, 1921 | passed 5439 weeks ago |
| Week 49 | December 5, 1921 | December 11, 1921 | passed 5438 weeks ago |
| Week 50 | December 12, 1921 | December 18, 1921 | passed 5437 weeks ago |
| Week 51 | December 19, 1921 | December 25, 1921 | passed 5436 weeks ago |
| Week 52 | December 26, 1921 | January 1, 1922 | passed 5435 weeks ago |