Number of weeks in 1931 year is 53 weeks
Weeks are according Macau calendar rules, Sunday first day and weeks are Sunday to Saturday

Week # From Date To Date Weeks from Now
Week 1 December 28, 1930 January 3, 1931 passed 4898 weeks ago
Week 2 January 4, 1931 January 10, 1931 passed 4897 weeks ago
Week 3 January 11, 1931 January 17, 1931 passed 4896 weeks ago
Week 4 January 18, 1931 January 24, 1931 passed 4895 weeks ago
Week 5 January 25, 1931 January 31, 1931 passed 4894 weeks ago
Week 6 February 1, 1931 February 7, 1931 passed 4893 weeks ago
Week 7 February 8, 1931 February 14, 1931 passed 4892 weeks ago
Week 8 February 15, 1931 February 21, 1931 passed 4891 weeks ago
Week 9 February 22, 1931 February 28, 1931 passed 4890 weeks ago
Week 10 March 1, 1931 March 7, 1931 passed 4889 weeks ago
Week 11 March 8, 1931 March 14, 1931 passed 4888 weeks ago
Week 12 March 15, 1931 March 21, 1931 passed 4887 weeks ago
Week 13 March 22, 1931 March 28, 1931 passed 4886 weeks ago
Week 14 March 29, 1931 April 4, 1931 passed 4885 weeks ago
Week 15 April 5, 1931 April 11, 1931 passed 4884 weeks ago
Week 16 April 12, 1931 April 18, 1931 passed 4883 weeks ago
Week 17 April 19, 1931 April 25, 1931 passed 4882 weeks ago
Week 18 April 26, 1931 May 2, 1931 passed 4881 weeks ago
Week 19 May 3, 1931 May 9, 1931 passed 4880 weeks ago
Week 20 May 10, 1931 May 16, 1931 passed 4879 weeks ago
Week 21 May 17, 1931 May 23, 1931 passed 4878 weeks ago
Week 22 May 24, 1931 May 30, 1931 passed 4877 weeks ago
Week 23 May 31, 1931 June 6, 1931 passed 4876 weeks ago
Week 24 June 7, 1931 June 13, 1931 passed 4875 weeks ago
Week 25 June 14, 1931 June 20, 1931 passed 4874 weeks ago
Week 26 June 21, 1931 June 27, 1931 passed 4873 weeks ago
Week 27 June 28, 1931 July 4, 1931 passed 4872 weeks ago
Week 28 July 5, 1931 July 11, 1931 passed 4871 weeks ago
Week 29 July 12, 1931 July 18, 1931 passed 4870 weeks ago
Week 30 July 19, 1931 July 25, 1931 passed 4869 weeks ago
Week 31 July 26, 1931 August 1, 1931 passed 4868 weeks ago
Week 32 August 2, 1931 August 8, 1931 passed 4867 weeks ago
Week 33 August 9, 1931 August 15, 1931 passed 4866 weeks ago
Week 34 August 16, 1931 August 22, 1931 passed 4865 weeks ago
Week 35 August 23, 1931 August 29, 1931 passed 4864 weeks ago
Week 36 August 30, 1931 September 5, 1931 passed 4863 weeks ago
Week 37 September 6, 1931 September 12, 1931 passed 4862 weeks ago
Week 38 September 13, 1931 September 19, 1931 passed 4861 weeks ago
Week 39 September 20, 1931 September 26, 1931 passed 4860 weeks ago
Week 40 September 27, 1931 October 3, 1931 passed 4859 weeks ago
Week 41 October 4, 1931 October 10, 1931 passed 4858 weeks ago
Week 42 October 11, 1931 October 17, 1931 passed 4857 weeks ago
Week 43 October 18, 1931 October 24, 1931 passed 4856 weeks ago
Week 44 October 25, 1931 October 31, 1931 passed 4855 weeks ago
Week 45 November 1, 1931 November 7, 1931 passed 4854 weeks ago
Week 46 November 8, 1931 November 14, 1931 passed 4853 weeks ago
Week 47 November 15, 1931 November 21, 1931 passed 4852 weeks ago
Week 48 November 22, 1931 November 28, 1931 passed 4851 weeks ago
Week 49 November 29, 1931 December 5, 1931 passed 4850 weeks ago
Week 50 December 6, 1931 December 12, 1931 passed 4849 weeks ago
Week 51 December 13, 1931 December 19, 1931 passed 4848 weeks ago
Week 52 December 20, 1931 December 26, 1931 passed 4847 weeks ago
Week 53 December 27, 1931 January 2, 1932 passed 4846 weeks ago