According to the relevant time, 2023 is a leap year. This year, there is still one month in the lunar calendar. This month is a leap month, and 2023 is a leap February. During the leap month, there will be many customs, such as drinking leap month tea and giving pig's trotters noodles. In 2023, there was a leap month in February, in AD 2.
In, a commonly used Chinese character, pronounced "nian", first appeared in Oracle Bone Inscriptions. Its original meaning is that the year is ripe and the grain is ripe, that is, "Shuo Wen Jie Zi": "The year is ripe and the grain is ripe." It is equivalent to a year's harvest, year, festival, year and year, and it is also a time unit, which refers to the period of about 365 and 1/4 solar days required for the earth to orbit the sun once.