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

Week # From Date To Date Weeks from Now
Week 1 December 27, 2010 January 2, 2011 passed 724 weeks ago
Week 2 January 3, 2011 January 9, 2011 passed 723 weeks ago
Week 3 January 10, 2011 January 16, 2011 passed 722 weeks ago
Week 4 January 17, 2011 January 23, 2011 passed 721 weeks ago
Week 5 January 24, 2011 January 30, 2011 passed 720 weeks ago
Week 6 January 31, 2011 February 6, 2011 passed 719 weeks ago
Week 7 February 7, 2011 February 13, 2011 passed 718 weeks ago
Week 8 February 14, 2011 February 20, 2011 passed 717 weeks ago
Week 9 February 21, 2011 February 27, 2011 passed 716 weeks ago
Week 10 February 28, 2011 March 6, 2011 passed 715 weeks ago
Week 11 March 7, 2011 March 13, 2011 passed 714 weeks ago
Week 12 March 14, 2011 March 20, 2011 passed 713 weeks ago
Week 13 March 21, 2011 March 27, 2011 passed 712 weeks ago
Week 14 March 28, 2011 April 3, 2011 passed 711 weeks ago
Week 15 April 4, 2011 April 10, 2011 passed 710 weeks ago
Week 16 April 11, 2011 April 17, 2011 passed 709 weeks ago
Week 17 April 18, 2011 April 24, 2011 passed 708 weeks ago
Week 18 April 25, 2011 May 1, 2011 passed 707 weeks ago
Week 19 May 2, 2011 May 8, 2011 passed 706 weeks ago
Week 20 May 9, 2011 May 15, 2011 passed 705 weeks ago
Week 21 May 16, 2011 May 22, 2011 passed 704 weeks ago
Week 22 May 23, 2011 May 29, 2011 passed 703 weeks ago
Week 23 May 30, 2011 June 5, 2011 passed 702 weeks ago
Week 24 June 6, 2011 June 12, 2011 passed 701 weeks ago
Week 25 June 13, 2011 June 19, 2011 passed 700 weeks ago
Week 26 June 20, 2011 June 26, 2011 passed 699 weeks ago
Week 27 June 27, 2011 July 3, 2011 passed 698 weeks ago
Week 28 July 4, 2011 July 10, 2011 passed 697 weeks ago
Week 29 July 11, 2011 July 17, 2011 passed 696 weeks ago
Week 30 July 18, 2011 July 24, 2011 passed 695 weeks ago
Week 31 July 25, 2011 July 31, 2011 passed 694 weeks ago
Week 32 August 1, 2011 August 7, 2011 passed 693 weeks ago
Week 33 August 8, 2011 August 14, 2011 passed 692 weeks ago
Week 34 August 15, 2011 August 21, 2011 passed 691 weeks ago
Week 35 August 22, 2011 August 28, 2011 passed 690 weeks ago
Week 36 August 29, 2011 September 4, 2011 passed 689 weeks ago
Week 37 September 5, 2011 September 11, 2011 passed 688 weeks ago
Week 38 September 12, 2011 September 18, 2011 passed 687 weeks ago
Week 39 September 19, 2011 September 25, 2011 passed 686 weeks ago
Week 40 September 26, 2011 October 2, 2011 passed 685 weeks ago
Week 41 October 3, 2011 October 9, 2011 passed 684 weeks ago
Week 42 October 10, 2011 October 16, 2011 passed 683 weeks ago
Week 43 October 17, 2011 October 23, 2011 passed 682 weeks ago
Week 44 October 24, 2011 October 30, 2011 passed 681 weeks ago
Week 45 October 31, 2011 November 6, 2011 passed 680 weeks ago
Week 46 November 7, 2011 November 13, 2011 passed 679 weeks ago
Week 47 November 14, 2011 November 20, 2011 passed 678 weeks ago
Week 48 November 21, 2011 November 27, 2011 passed 677 weeks ago
Week 49 November 28, 2011 December 4, 2011 passed 676 weeks ago
Week 50 December 5, 2011 December 11, 2011 passed 675 weeks ago
Week 51 December 12, 2011 December 18, 2011 passed 674 weeks ago
Week 52 December 19, 2011 December 25, 2011 passed 673 weeks ago
Week 53 December 26, 2011 January 1, 2012 passed 672 weeks ago