Which day of the lunar calendar is New Year's Eve?

According to the calendar information, New Year's Eve in 2023 falls on the 30th of the twelfth lunar month in 2023, which is also called New Year's Eve, because it often falls on the 29th or 30th of the twelfth lunar month.

Lunar calendar, the traditional calendar of China. According to the cycle of the moon phase, each moon phase changes to one month; A tropical year is divided into 24 segments, forming 24 solar terms.