Number of weeks in 2013 year is 52 weeks
Weeks are according Colombia calendar rules, Sunday first day and weeks are Sunday to Saturday

Week # From Date To Date Weeks from Now
Week 1 December 30, 2012 January 5, 2013 passed 543 weeks ago
Week 2 January 6, 2013 January 12, 2013 passed 542 weeks ago
Week 3 January 13, 2013 January 19, 2013 passed 541 weeks ago
Week 4 January 20, 2013 January 26, 2013 passed 540 weeks ago
Week 5 January 27, 2013 February 2, 2013 passed 539 weeks ago
Week 6 February 3, 2013 February 9, 2013 passed 538 weeks ago
Week 7 February 10, 2013 February 16, 2013 passed 537 weeks ago
Week 8 February 17, 2013 February 23, 2013 passed 536 weeks ago
Week 9 February 24, 2013 March 2, 2013 passed 535 weeks ago
Week 10 March 3, 2013 March 9, 2013 passed 534 weeks ago
Week 11 March 10, 2013 March 16, 2013 passed 533 weeks ago
Week 12 March 17, 2013 March 23, 2013 passed 532 weeks ago
Week 13 March 24, 2013 March 30, 2013 passed 531 weeks ago
Week 14 March 31, 2013 April 6, 2013 passed 530 weeks ago
Week 15 April 7, 2013 April 13, 2013 passed 529 weeks ago
Week 16 April 14, 2013 April 20, 2013 passed 528 weeks ago
Week 17 April 21, 2013 April 27, 2013 passed 527 weeks ago
Week 18 April 28, 2013 May 4, 2013 passed 526 weeks ago
Week 19 May 5, 2013 May 11, 2013 passed 525 weeks ago
Week 20 May 12, 2013 May 18, 2013 passed 524 weeks ago
Week 21 May 19, 2013 May 25, 2013 passed 523 weeks ago
Week 22 May 26, 2013 June 1, 2013 passed 522 weeks ago
Week 23 June 2, 2013 June 8, 2013 passed 521 weeks ago
Week 24 June 9, 2013 June 15, 2013 passed 520 weeks ago
Week 25 June 16, 2013 June 22, 2013 passed 519 weeks ago
Week 26 June 23, 2013 June 29, 2013 passed 518 weeks ago
Week 27 June 30, 2013 July 6, 2013 passed 517 weeks ago
Week 28 July 7, 2013 July 13, 2013 passed 516 weeks ago
Week 29 July 14, 2013 July 20, 2013 passed 515 weeks ago
Week 30 July 21, 2013 July 27, 2013 passed 514 weeks ago
Week 31 July 28, 2013 August 3, 2013 passed 513 weeks ago
Week 32 August 4, 2013 August 10, 2013 passed 512 weeks ago
Week 33 August 11, 2013 August 17, 2013 passed 511 weeks ago
Week 34 August 18, 2013 August 24, 2013 passed 510 weeks ago
Week 35 August 25, 2013 August 31, 2013 passed 509 weeks ago
Week 36 September 1, 2013 September 7, 2013 passed 508 weeks ago
Week 37 September 8, 2013 September 14, 2013 passed 507 weeks ago
Week 38 September 15, 2013 September 21, 2013 passed 506 weeks ago
Week 39 September 22, 2013 September 28, 2013 passed 505 weeks ago
Week 40 September 29, 2013 October 5, 2013 passed 504 weeks ago
Week 41 October 6, 2013 October 12, 2013 passed 503 weeks ago
Week 42 October 13, 2013 October 19, 2013 passed 502 weeks ago
Week 43 October 20, 2013 October 26, 2013 passed 501 weeks ago
Week 44 October 27, 2013 November 2, 2013 passed 500 weeks ago
Week 45 November 3, 2013 November 9, 2013 passed 499 weeks ago
Week 46 November 10, 2013 November 16, 2013 passed 498 weeks ago
Week 47 November 17, 2013 November 23, 2013 passed 497 weeks ago
Week 48 November 24, 2013 November 30, 2013 passed 496 weeks ago
Week 49 December 1, 2013 December 7, 2013 passed 495 weeks ago
Week 50 December 8, 2013 December 14, 2013 passed 494 weeks ago
Week 51 December 15, 2013 December 21, 2013 passed 493 weeks ago
Week 52 December 22, 2013 December 28, 2013 passed 492 weeks ago