Number of weeks in 2013 year is 52 weeks
Weeks are according El Salvador 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 618 weeks ago
Week 2 January 6, 2013 January 12, 2013 passed 617 weeks ago
Week 3 January 13, 2013 January 19, 2013 passed 616 weeks ago
Week 4 January 20, 2013 January 26, 2013 passed 615 weeks ago
Week 5 January 27, 2013 February 2, 2013 passed 614 weeks ago
Week 6 February 3, 2013 February 9, 2013 passed 613 weeks ago
Week 7 February 10, 2013 February 16, 2013 passed 612 weeks ago
Week 8 February 17, 2013 February 23, 2013 passed 611 weeks ago
Week 9 February 24, 2013 March 2, 2013 passed 610 weeks ago
Week 10 March 3, 2013 March 9, 2013 passed 609 weeks ago
Week 11 March 10, 2013 March 16, 2013 passed 608 weeks ago
Week 12 March 17, 2013 March 23, 2013 passed 607 weeks ago
Week 13 March 24, 2013 March 30, 2013 passed 606 weeks ago
Week 14 March 31, 2013 April 6, 2013 passed 605 weeks ago
Week 15 April 7, 2013 April 13, 2013 passed 604 weeks ago
Week 16 April 14, 2013 April 20, 2013 passed 603 weeks ago
Week 17 April 21, 2013 April 27, 2013 passed 602 weeks ago
Week 18 April 28, 2013 May 4, 2013 passed 601 weeks ago
Week 19 May 5, 2013 May 11, 2013 passed 600 weeks ago
Week 20 May 12, 2013 May 18, 2013 passed 599 weeks ago
Week 21 May 19, 2013 May 25, 2013 passed 598 weeks ago
Week 22 May 26, 2013 June 1, 2013 passed 597 weeks ago
Week 23 June 2, 2013 June 8, 2013 passed 596 weeks ago
Week 24 June 9, 2013 June 15, 2013 passed 595 weeks ago
Week 25 June 16, 2013 June 22, 2013 passed 594 weeks ago
Week 26 June 23, 2013 June 29, 2013 passed 593 weeks ago
Week 27 June 30, 2013 July 6, 2013 passed 592 weeks ago
Week 28 July 7, 2013 July 13, 2013 passed 591 weeks ago
Week 29 July 14, 2013 July 20, 2013 passed 590 weeks ago
Week 30 July 21, 2013 July 27, 2013 passed 589 weeks ago
Week 31 July 28, 2013 August 3, 2013 passed 588 weeks ago
Week 32 August 4, 2013 August 10, 2013 passed 587 weeks ago
Week 33 August 11, 2013 August 17, 2013 passed 586 weeks ago
Week 34 August 18, 2013 August 24, 2013 passed 585 weeks ago
Week 35 August 25, 2013 August 31, 2013 passed 584 weeks ago
Week 36 September 1, 2013 September 7, 2013 passed 583 weeks ago
Week 37 September 8, 2013 September 14, 2013 passed 582 weeks ago
Week 38 September 15, 2013 September 21, 2013 passed 581 weeks ago
Week 39 September 22, 2013 September 28, 2013 passed 580 weeks ago
Week 40 September 29, 2013 October 5, 2013 passed 579 weeks ago
Week 41 October 6, 2013 October 12, 2013 passed 578 weeks ago
Week 42 October 13, 2013 October 19, 2013 passed 577 weeks ago
Week 43 October 20, 2013 October 26, 2013 passed 576 weeks ago
Week 44 October 27, 2013 November 2, 2013 passed 575 weeks ago
Week 45 November 3, 2013 November 9, 2013 passed 574 weeks ago
Week 46 November 10, 2013 November 16, 2013 passed 573 weeks ago
Week 47 November 17, 2013 November 23, 2013 passed 572 weeks ago
Week 48 November 24, 2013 November 30, 2013 passed 571 weeks ago
Week 49 December 1, 2013 December 7, 2013 passed 570 weeks ago
Week 50 December 8, 2013 December 14, 2013 passed 569 weeks ago
Week 51 December 15, 2013 December 21, 2013 passed 568 weeks ago
Week 52 December 22, 2013 December 28, 2013 passed 567 weeks ago