New Year's Eve, December 31, is the last day of the year, celebrated with parties, fireworks and the countdown to midnight. It is not a public holiday in the US.
No. New Year's Eve is not a federal holiday in the US, so government offices, banks and schools follow their normal schedule unless they choose otherwise.
When is New Year's Eve 1991?
New Year's Eve 1991 falls on Tuesday, December 31.
Why does the date of New Year's Eve change each year?
The date stays the same; only the weekday moves. A common year has 52 weeks and one day, so a fixed date moves one weekday later each year, and two after February 29.