Below is a list of dates when New Year's Day will occur from 1666 to 1675.
| Year | Date | Day |
|---|---|---|
| 1666 | January 01, 1666 | Friday |
| 1667 | January 01, 1667 | Saturday |
| 1668 | January 01, 1668 | Sunday |
| 1669 | January 01, 1669 | Tuesday |
| 1670 | January 01, 1670 | Wednesday |
| 1671 | January 01, 1671 | Thursday |
| 1672 | January 01, 1672 | Friday |
| 1673 | January 01, 1673 | Sunday |
| 1674 | January 01, 1674 | Monday |
| 1675 | January 01, 1675 | Tuesday |