Week Numbers 2009 in United States
Number of weeks in 2009 year is 53 weeks
Weeks are according United States calendar rules, Sunday first day and weeks are Sunday to Saturday
| Week # | From Date | To Date | Weeks from Now |
|---|---|---|---|
| Week 1 | December 28, 2008 | January 3, 2009 | passed 555 weeks ago |
| Week 2 | January 4, 2009 | January 10, 2009 | passed 554 weeks ago |
| Week 3 | January 11, 2009 | January 17, 2009 | passed 553 weeks ago |
| Week 4 | January 18, 2009 | January 24, 2009 | passed 552 weeks ago |
| Week 5 | January 25, 2009 | January 31, 2009 | passed 551 weeks ago |
| Week 6 | February 1, 2009 | February 7, 2009 | passed 550 weeks ago |
| Week 7 | February 8, 2009 | February 14, 2009 | passed 549 weeks ago |
| Week 8 | February 15, 2009 | February 21, 2009 | passed 548 weeks ago |
| Week 9 | February 22, 2009 | February 28, 2009 | passed 547 weeks ago |
| Week 10 | March 1, 2009 | March 7, 2009 | passed 546 weeks ago |
| Week 11 | March 8, 2009 | March 14, 2009 | passed 545 weeks ago |
| Week 12 | March 15, 2009 | March 21, 2009 | passed 544 weeks ago |
| Week 13 | March 22, 2009 | March 28, 2009 | passed 543 weeks ago |
| Week 14 | March 29, 2009 | April 4, 2009 | passed 542 weeks ago |
| Week 15 | April 5, 2009 | April 11, 2009 | passed 541 weeks ago |
| Week 16 | April 12, 2009 | April 18, 2009 | passed 540 weeks ago |
| Week 17 | April 19, 2009 | April 25, 2009 | passed 539 weeks ago |
| Week 18 | April 26, 2009 | May 2, 2009 | passed 538 weeks ago |
| Week 19 | May 3, 2009 | May 9, 2009 | passed 537 weeks ago |
| Week 20 | May 10, 2009 | May 16, 2009 | passed 536 weeks ago |
| Week 21 | May 17, 2009 | May 23, 2009 | passed 535 weeks ago |
| Week 22 | May 24, 2009 | May 30, 2009 | passed 534 weeks ago |
| Week 23 | May 31, 2009 | June 6, 2009 | passed 533 weeks ago |
| Week 24 | June 7, 2009 | June 13, 2009 | passed 532 weeks ago |
| Week 25 | June 14, 2009 | June 20, 2009 | passed 531 weeks ago |
| Week 26 | June 21, 2009 | June 27, 2009 | passed 530 weeks ago |
| Week 27 | June 28, 2009 | July 4, 2009 | passed 529 weeks ago |
| Week 28 | July 5, 2009 | July 11, 2009 | passed 528 weeks ago |
| Week 29 | July 12, 2009 | July 18, 2009 | passed 527 weeks ago |
| Week 30 | July 19, 2009 | July 25, 2009 | passed 526 weeks ago |
| Week 31 | July 26, 2009 | August 1, 2009 | passed 525 weeks ago |
| Week 32 | August 2, 2009 | August 8, 2009 | passed 524 weeks ago |
| Week 33 | August 9, 2009 | August 15, 2009 | passed 523 weeks ago |
| Week 34 | August 16, 2009 | August 22, 2009 | passed 522 weeks ago |
| Week 35 | August 23, 2009 | August 29, 2009 | passed 521 weeks ago |
| Week 36 | August 30, 2009 | September 5, 2009 | passed 520 weeks ago |
| Week 37 | September 6, 2009 | September 12, 2009 | passed 519 weeks ago |
| Week 38 | September 13, 2009 | September 19, 2009 | passed 518 weeks ago |
| Week 39 | September 20, 2009 | September 26, 2009 | passed 517 weeks ago |
| Week 40 | September 27, 2009 | October 3, 2009 | passed 516 weeks ago |
| Week 41 | October 4, 2009 | October 10, 2009 | passed 515 weeks ago |
| Week 42 | October 11, 2009 | October 17, 2009 | passed 514 weeks ago |
| Week 43 | October 18, 2009 | October 24, 2009 | passed 513 weeks ago |
| Week 44 | October 25, 2009 | October 31, 2009 | passed 512 weeks ago |
| Week 45 | November 1, 2009 | November 7, 2009 | passed 511 weeks ago |
| Week 46 | November 8, 2009 | November 14, 2009 | passed 510 weeks ago |
| Week 47 | November 15, 2009 | November 21, 2009 | passed 509 weeks ago |
| Week 48 | November 22, 2009 | November 28, 2009 | passed 508 weeks ago |
| Week 49 | November 29, 2009 | December 5, 2009 | passed 507 weeks ago |
| Week 50 | December 6, 2009 | December 12, 2009 | passed 506 weeks ago |
| Week 51 | December 13, 2009 | December 19, 2009 | passed 505 weeks ago |
| Week 52 | December 20, 2009 | December 26, 2009 | passed 504 weeks ago |
| Week 53 | December 27, 2009 | January 2, 2010 | passed 503 weeks ago |