Week Numbers 1644 in Germany
Number of weeks in 1644 year is 52 weeks
Weeks are according Germany calendar rules, Monday first day and weeks are Monday to Sunday
| Week # | From Date | To Date | Weeks from Now |
|---|---|---|---|
| Week 1 | January 4, 1644 | January 10, 1644 | passed 19866 weeks ago |
| Week 2 | January 11, 1644 | January 17, 1644 | passed 19865 weeks ago |
| Week 3 | January 18, 1644 | January 24, 1644 | passed 19864 weeks ago |
| Week 4 | January 25, 1644 | January 31, 1644 | passed 19863 weeks ago |
| Week 5 | February 1, 1644 | February 7, 1644 | passed 19862 weeks ago |
| Week 6 | February 8, 1644 | February 14, 1644 | passed 19861 weeks ago |
| Week 7 | February 15, 1644 | February 21, 1644 | passed 19860 weeks ago |
| Week 8 | February 22, 1644 | February 28, 1644 | passed 19859 weeks ago |
| Week 9 | February 29, 1644 | March 6, 1644 | passed 19858 weeks ago |
| Week 10 | March 7, 1644 | March 13, 1644 | passed 19857 weeks ago |
| Week 11 | March 14, 1644 | March 20, 1644 | passed 19856 weeks ago |
| Week 12 | March 21, 1644 | March 27, 1644 | passed 19855 weeks ago |
| Week 13 | March 28, 1644 | April 3, 1644 | passed 19854 weeks ago |
| Week 14 | April 4, 1644 | April 10, 1644 | passed 19853 weeks ago |
| Week 15 | April 11, 1644 | April 17, 1644 | passed 19852 weeks ago |
| Week 16 | April 18, 1644 | April 24, 1644 | passed 19851 weeks ago |
| Week 17 | April 25, 1644 | May 1, 1644 | passed 19850 weeks ago |
| Week 18 | May 2, 1644 | May 8, 1644 | passed 19849 weeks ago |
| Week 19 | May 9, 1644 | May 15, 1644 | passed 19848 weeks ago |
| Week 20 | May 16, 1644 | May 22, 1644 | passed 19847 weeks ago |
| Week 21 | May 23, 1644 | May 29, 1644 | passed 19846 weeks ago |
| Week 22 | May 30, 1644 | June 5, 1644 | passed 19845 weeks ago |
| Week 23 | June 6, 1644 | June 12, 1644 | passed 19844 weeks ago |
| Week 24 | June 13, 1644 | June 19, 1644 | passed 19843 weeks ago |
| Week 25 | June 20, 1644 | June 26, 1644 | passed 19842 weeks ago |
| Week 26 | June 27, 1644 | July 3, 1644 | passed 19841 weeks ago |
| Week 27 | July 4, 1644 | July 10, 1644 | passed 19840 weeks ago |
| Week 28 | July 11, 1644 | July 17, 1644 | passed 19839 weeks ago |
| Week 29 | July 18, 1644 | July 24, 1644 | passed 19838 weeks ago |
| Week 30 | July 25, 1644 | July 31, 1644 | passed 19837 weeks ago |
| Week 31 | August 1, 1644 | August 7, 1644 | passed 19836 weeks ago |
| Week 32 | August 8, 1644 | August 14, 1644 | passed 19835 weeks ago |
| Week 33 | August 15, 1644 | August 21, 1644 | passed 19834 weeks ago |
| Week 34 | August 22, 1644 | August 28, 1644 | passed 19833 weeks ago |
| Week 35 | August 29, 1644 | September 4, 1644 | passed 19832 weeks ago |
| Week 36 | September 5, 1644 | September 11, 1644 | passed 19831 weeks ago |
| Week 37 | September 12, 1644 | September 18, 1644 | passed 19830 weeks ago |
| Week 38 | September 19, 1644 | September 25, 1644 | passed 19829 weeks ago |
| Week 39 | September 26, 1644 | October 2, 1644 | passed 19828 weeks ago |
| Week 40 | October 3, 1644 | October 9, 1644 | passed 19827 weeks ago |
| Week 41 | October 10, 1644 | October 16, 1644 | passed 19826 weeks ago |
| Week 42 | October 17, 1644 | October 23, 1644 | passed 19825 weeks ago |
| Week 43 | October 24, 1644 | October 30, 1644 | passed 19824 weeks ago |
| Week 44 | October 31, 1644 | November 6, 1644 | passed 19823 weeks ago |
| Week 45 | November 7, 1644 | November 13, 1644 | passed 19822 weeks ago |
| Week 46 | November 14, 1644 | November 20, 1644 | passed 19821 weeks ago |
| Week 47 | November 21, 1644 | November 27, 1644 | passed 19820 weeks ago |
| Week 48 | November 28, 1644 | December 4, 1644 | passed 19819 weeks ago |
| Week 49 | December 5, 1644 | December 11, 1644 | passed 19818 weeks ago |
| Week 50 | December 12, 1644 | December 18, 1644 | passed 19817 weeks ago |
| Week 51 | December 19, 1644 | December 25, 1644 | passed 19816 weeks ago |
| Week 52 | December 26, 1644 | January 1, 1645 | passed 19815 weeks ago |