Week Numbers 1664 in New Zealand
Number of weeks in 1664 year is 52 weeks
Weeks are according New Zealand calendar rules, Monday first day and weeks are Monday to Sunday
| Week # | From Date | To Date | Weeks from Now |
|---|---|---|---|
| Week 1 | December 31, 1663 | January 6, 1664 | passed 18830 weeks ago |
| Week 2 | January 7, 1664 | January 13, 1664 | passed 18829 weeks ago |
| Week 3 | January 14, 1664 | January 20, 1664 | passed 18828 weeks ago |
| Week 4 | January 21, 1664 | January 27, 1664 | passed 18827 weeks ago |
| Week 5 | January 28, 1664 | February 3, 1664 | passed 18826 weeks ago |
| Week 6 | February 4, 1664 | February 10, 1664 | passed 18825 weeks ago |
| Week 7 | February 11, 1664 | February 17, 1664 | passed 18824 weeks ago |
| Week 8 | February 18, 1664 | February 24, 1664 | passed 18823 weeks ago |
| Week 9 | February 25, 1664 | March 2, 1664 | passed 18822 weeks ago |
| Week 10 | March 3, 1664 | March 9, 1664 | passed 18821 weeks ago |
| Week 11 | March 10, 1664 | March 16, 1664 | passed 18820 weeks ago |
| Week 12 | March 17, 1664 | March 23, 1664 | passed 18819 weeks ago |
| Week 13 | March 24, 1664 | March 30, 1664 | passed 18818 weeks ago |
| Week 14 | March 31, 1664 | April 6, 1664 | passed 18817 weeks ago |
| Week 15 | April 7, 1664 | April 13, 1664 | passed 18816 weeks ago |
| Week 16 | April 14, 1664 | April 20, 1664 | passed 18815 weeks ago |
| Week 17 | April 21, 1664 | April 27, 1664 | passed 18814 weeks ago |
| Week 18 | April 28, 1664 | May 4, 1664 | passed 18813 weeks ago |
| Week 19 | May 5, 1664 | May 11, 1664 | passed 18812 weeks ago |
| Week 20 | May 12, 1664 | May 18, 1664 | passed 18811 weeks ago |
| Week 21 | May 19, 1664 | May 25, 1664 | passed 18810 weeks ago |
| Week 22 | May 26, 1664 | June 1, 1664 | passed 18809 weeks ago |
| Week 23 | June 2, 1664 | June 8, 1664 | passed 18808 weeks ago |
| Week 24 | June 9, 1664 | June 15, 1664 | passed 18807 weeks ago |
| Week 25 | June 16, 1664 | June 22, 1664 | passed 18806 weeks ago |
| Week 26 | June 23, 1664 | June 29, 1664 | passed 18805 weeks ago |
| Week 27 | June 30, 1664 | July 6, 1664 | passed 18804 weeks ago |
| Week 28 | July 7, 1664 | July 13, 1664 | passed 18803 weeks ago |
| Week 29 | July 14, 1664 | July 20, 1664 | passed 18802 weeks ago |
| Week 30 | July 21, 1664 | July 27, 1664 | passed 18801 weeks ago |
| Week 31 | July 28, 1664 | August 3, 1664 | passed 18800 weeks ago |
| Week 32 | August 4, 1664 | August 10, 1664 | passed 18799 weeks ago |
| Week 33 | August 11, 1664 | August 17, 1664 | passed 18798 weeks ago |
| Week 34 | August 18, 1664 | August 24, 1664 | passed 18797 weeks ago |
| Week 35 | August 25, 1664 | August 31, 1664 | passed 18796 weeks ago |
| Week 36 | September 1, 1664 | September 7, 1664 | passed 18795 weeks ago |
| Week 37 | September 8, 1664 | September 14, 1664 | passed 18794 weeks ago |
| Week 38 | September 15, 1664 | September 21, 1664 | passed 18793 weeks ago |
| Week 39 | September 22, 1664 | September 28, 1664 | passed 18792 weeks ago |
| Week 40 | September 29, 1664 | October 5, 1664 | passed 18791 weeks ago |
| Week 41 | October 6, 1664 | October 12, 1664 | passed 18790 weeks ago |
| Week 42 | October 13, 1664 | October 19, 1664 | passed 18789 weeks ago |
| Week 43 | October 20, 1664 | October 26, 1664 | passed 18788 weeks ago |
| Week 44 | October 27, 1664 | November 2, 1664 | passed 18787 weeks ago |
| Week 45 | November 3, 1664 | November 9, 1664 | passed 18786 weeks ago |
| Week 46 | November 10, 1664 | November 16, 1664 | passed 18785 weeks ago |
| Week 47 | November 17, 1664 | November 23, 1664 | passed 18784 weeks ago |
| Week 48 | November 24, 1664 | November 30, 1664 | passed 18783 weeks ago |
| Week 49 | December 1, 1664 | December 7, 1664 | passed 18782 weeks ago |
| Week 50 | December 8, 1664 | December 14, 1664 | passed 18781 weeks ago |
| Week 51 | December 15, 1664 | December 21, 1664 | passed 18780 weeks ago |
| Week 52 | December 22, 1664 | December 28, 1664 | passed 18779 weeks ago |