Number of weeks in 1800 year is 52 weeks
Weeks are according Netherlands calendar rules, Monday first day and weeks are Monday to Sunday

Week # From Date To Date Weeks from Now
Week 1 December 30, 1799 January 5, 1800 passed 11733 weeks ago
Week 2 January 6, 1800 January 12, 1800 passed 11732 weeks ago
Week 3 January 13, 1800 January 19, 1800 passed 11731 weeks ago
Week 4 January 20, 1800 January 26, 1800 passed 11730 weeks ago
Week 5 January 27, 1800 February 2, 1800 passed 11729 weeks ago
Week 6 February 3, 1800 February 9, 1800 passed 11728 weeks ago
Week 7 February 10, 1800 February 16, 1800 passed 11727 weeks ago
Week 8 February 17, 1800 February 23, 1800 passed 11726 weeks ago
Week 9 February 24, 1800 March 2, 1800 passed 11725 weeks ago
Week 10 March 3, 1800 March 9, 1800 passed 11724 weeks ago
Week 11 March 10, 1800 March 16, 1800 passed 11723 weeks ago
Week 12 March 17, 1800 March 23, 1800 passed 11722 weeks ago
Week 13 March 24, 1800 March 30, 1800 passed 11721 weeks ago
Week 14 March 31, 1800 April 6, 1800 passed 11720 weeks ago
Week 15 April 7, 1800 April 13, 1800 passed 11719 weeks ago
Week 16 April 14, 1800 April 20, 1800 passed 11718 weeks ago
Week 17 April 21, 1800 April 27, 1800 passed 11717 weeks ago
Week 18 April 28, 1800 May 4, 1800 passed 11716 weeks ago
Week 19 May 5, 1800 May 11, 1800 passed 11715 weeks ago
Week 20 May 12, 1800 May 18, 1800 passed 11714 weeks ago
Week 21 May 19, 1800 May 25, 1800 passed 11713 weeks ago
Week 22 May 26, 1800 June 1, 1800 passed 11712 weeks ago
Week 23 June 2, 1800 June 8, 1800 passed 11711 weeks ago
Week 24 June 9, 1800 June 15, 1800 passed 11710 weeks ago
Week 25 June 16, 1800 June 22, 1800 passed 11709 weeks ago
Week 26 June 23, 1800 June 29, 1800 passed 11708 weeks ago
Week 27 June 30, 1800 July 6, 1800 passed 11707 weeks ago
Week 28 July 7, 1800 July 13, 1800 passed 11706 weeks ago
Week 29 July 14, 1800 July 20, 1800 passed 11705 weeks ago
Week 30 July 21, 1800 July 27, 1800 passed 11704 weeks ago
Week 31 July 28, 1800 August 3, 1800 passed 11703 weeks ago
Week 32 August 4, 1800 August 10, 1800 passed 11702 weeks ago
Week 33 August 11, 1800 August 17, 1800 passed 11701 weeks ago
Week 34 August 18, 1800 August 24, 1800 passed 11700 weeks ago
Week 35 August 25, 1800 August 31, 1800 passed 11699 weeks ago
Week 36 September 1, 1800 September 7, 1800 passed 11698 weeks ago
Week 37 September 8, 1800 September 14, 1800 passed 11697 weeks ago
Week 38 September 15, 1800 September 21, 1800 passed 11696 weeks ago
Week 39 September 22, 1800 September 28, 1800 passed 11695 weeks ago
Week 40 September 29, 1800 October 5, 1800 passed 11694 weeks ago
Week 41 October 6, 1800 October 12, 1800 passed 11693 weeks ago
Week 42 October 13, 1800 October 19, 1800 passed 11692 weeks ago
Week 43 October 20, 1800 October 26, 1800 passed 11691 weeks ago
Week 44 October 27, 1800 November 2, 1800 passed 11690 weeks ago
Week 45 November 3, 1800 November 9, 1800 passed 11689 weeks ago
Week 46 November 10, 1800 November 16, 1800 passed 11688 weeks ago
Week 47 November 17, 1800 November 23, 1800 passed 11687 weeks ago
Week 48 November 24, 1800 November 30, 1800 passed 11686 weeks ago
Week 49 December 1, 1800 December 7, 1800 passed 11685 weeks ago
Week 50 December 8, 1800 December 14, 1800 passed 11684 weeks ago
Week 51 December 15, 1800 December 21, 1800 passed 11683 weeks ago
Week 52 December 22, 1800 December 28, 1800 passed 11682 weeks ago