When was the last boudoir in February?

The last boudoir in February was in 2004.

Leap February List (1645 —3545):

165 1, 1670, 1727, 1765, 1795, 1803, 18 14. 1947, 2004, 2023, 2042, 2099, 2 137, 2 186, 228 1, 2300, 2376, 2395, 2465435.

Lunar months have no seasonal significance, so twelve lunar months constitute lunar years, with a length of 29.5306× 12=354.3672 days, which is less than the tropical year of 365.2422 days 1 1 day (that is, nearly1/kloc-0

The meaning of leap in February:

1, leap February is the Gregorian calendar every four years, and February 29th is leap February. There are two February in the lunar calendar year, and the second February is a leap February. The frequency of leap February is second only to leap March, and the frequency is moderate around AD 2 1 century, generally once every 19 years (such as 2004 and 2023).

2. Since then, the frequency of leap February has gradually decreased to become a rare leap month, which occurs once every century in the 25th-28th century, and there is no leap February in the 29th-30th century, the 36th-38th century and the 40th-44th century. Spring Festival and Dragon Head Festival are the earliest, and the latest year of Shangsi Festival is usually in February.

3. According to the old calendar, leap February is generally between March 2 1 and April 18 of the new calendar. So people born in this period belong to Aries.