元旦

Noun

 * 1) the first day of a year
 * 2)  New Year's Day Gregorian calendar

Usage notes
In modern usage, it refers specifically to January 1 in the Gregorian calendar. It is generally not used for the first day of the Chinese New Year, which is commonly known as.

Etymology
gwantan > gantan.

Noun

 * 1) the morning of first day of a new year
 * 2) the first day of a new year; New Year's Day