Number of weeks in 2011 year is 53 weeks
Weeks are according Chile calendar rules, Sunday first day and weeks are Sunday to Saturday

Week # From Date To Date Weeks from Now
Week 1 December 26, 2010 January 1, 2011 passed 464 weeks ago
Week 2 January 2, 2011 January 8, 2011 passed 463 weeks ago
Week 3 January 9, 2011 January 15, 2011 passed 462 weeks ago
Week 4 January 16, 2011 January 22, 2011 passed 461 weeks ago
Week 5 January 23, 2011 January 29, 2011 passed 460 weeks ago
Week 6 January 30, 2011 February 5, 2011 passed 459 weeks ago
Week 7 February 6, 2011 February 12, 2011 passed 458 weeks ago
Week 8 February 13, 2011 February 19, 2011 passed 457 weeks ago
Week 9 February 20, 2011 February 26, 2011 passed 456 weeks ago
Week 10 February 27, 2011 March 5, 2011 passed 455 weeks ago
Week 11 March 6, 2011 March 12, 2011 passed 454 weeks ago
Week 12 March 13, 2011 March 19, 2011 passed 453 weeks ago
Week 13 March 20, 2011 March 26, 2011 passed 452 weeks ago
Week 14 March 27, 2011 April 2, 2011 passed 451 weeks ago
Week 15 April 3, 2011 April 9, 2011 passed 450 weeks ago
Week 16 April 10, 2011 April 16, 2011 passed 449 weeks ago
Week 17 April 17, 2011 April 23, 2011 passed 448 weeks ago
Week 18 April 24, 2011 April 30, 2011 passed 447 weeks ago
Week 19 May 1, 2011 May 7, 2011 passed 446 weeks ago
Week 20 May 8, 2011 May 14, 2011 passed 445 weeks ago
Week 21 May 15, 2011 May 21, 2011 passed 444 weeks ago
Week 22 May 22, 2011 May 28, 2011 passed 443 weeks ago
Week 23 May 29, 2011 June 4, 2011 passed 442 weeks ago
Week 24 June 5, 2011 June 11, 2011 passed 441 weeks ago
Week 25 June 12, 2011 June 18, 2011 passed 440 weeks ago
Week 26 June 19, 2011 June 25, 2011 passed 439 weeks ago
Week 27 June 26, 2011 July 2, 2011 passed 438 weeks ago
Week 28 July 3, 2011 July 9, 2011 passed 437 weeks ago
Week 29 July 10, 2011 July 16, 2011 passed 436 weeks ago
Week 30 July 17, 2011 July 23, 2011 passed 435 weeks ago
Week 31 July 24, 2011 July 30, 2011 passed 434 weeks ago
Week 32 July 31, 2011 August 6, 2011 passed 433 weeks ago
Week 33 August 7, 2011 August 13, 2011 passed 432 weeks ago
Week 34 August 14, 2011 August 20, 2011 passed 431 weeks ago
Week 35 August 21, 2011 August 27, 2011 passed 430 weeks ago
Week 36 August 28, 2011 September 3, 2011 passed 429 weeks ago
Week 37 September 4, 2011 September 10, 2011 passed 428 weeks ago
Week 38 September 11, 2011 September 17, 2011 passed 427 weeks ago
Week 39 September 18, 2011 September 24, 2011 passed 426 weeks ago
Week 40 September 25, 2011 October 1, 2011 passed 425 weeks ago
Week 41 October 2, 2011 October 8, 2011 passed 424 weeks ago
Week 42 October 9, 2011 October 15, 2011 passed 423 weeks ago
Week 43 October 16, 2011 October 22, 2011 passed 422 weeks ago
Week 44 October 23, 2011 October 29, 2011 passed 421 weeks ago
Week 45 October 30, 2011 November 5, 2011 passed 420 weeks ago
Week 46 November 6, 2011 November 12, 2011 passed 419 weeks ago
Week 47 November 13, 2011 November 19, 2011 passed 418 weeks ago
Week 48 November 20, 2011 November 26, 2011 passed 417 weeks ago
Week 49 November 27, 2011 December 3, 2011 passed 416 weeks ago
Week 50 December 4, 2011 December 10, 2011 passed 415 weeks ago
Week 51 December 11, 2011 December 17, 2011 passed 414 weeks ago
Week 52 December 18, 2011 December 24, 2011 passed 413 weeks ago
Week 53 December 25, 2011 December 31, 2011 passed 412 weeks ago