Public holidays
1666, India
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 1666 | New Year's Day |
| 2 | Thursday, 14 January 1666 | Makar Sankranti |
| 3 | Tuesday, 26 January 1666 | Republic Day |
| 4 | Friday, 19 February 1666 | Maharaja Shivaji Jayanti |
| 5 | Wednesday, 14 April 1666 | Mesadi |
| 6 | Friday, 16 April 1666 | Good Friday |
| 7 | Sunday, 15 August 1666 | Independence Day |
| 8 | Saturday, 2 October 1666 | Mahatma Gandhi's Birthday |
| 9 | Friday, 24 December 1666 | Christmas Eve |
| 10 | Saturday, 25 December 1666 | Christmas |