1675/1676
For 1675/1676 the key weeks and dates were:
Week 1: 14 December to 21 December 1675
New Year 1676, Week 3: 28 December to 4 January 1676
Legal New Year, Week 15: 21 March to 28 March 1676
Week 52: 5 December to 12 December 1676
This year has Week 53 as well, 12 December to 19 December 1676
