Generally, it occurs once every 19 years (such as 2004 and 2023). Gregorian calendar year 2023 is an ordinary year, ***365 days and 53 weeks. The year of Guimao (Year of the Rabbit) in the lunar calendar, leap in February, ***384 days. Because 2023 is a leap February and there are two beginning of spring in the lunar calendar in 2023, this year is called the year of double spring.