1999 What's the date of the tenth day of the first lunar month in the Gregorian calendar?

1999 The 10th day of the first month is February 25th in the solar calendar. 1999 1 month 10, and the corresponding Gregorian calendar is1February 25th, 999. Gregorian calendar is the universal Gregorian calendar. 1949 On September 27th, the first plenary session of China People's Political Consultative Conference adopted the internationally accepted Gregorian calendar era, and designated Gregorian calendar 1 month 1 day as New Year's Day. Because the first day of the first lunar month is usually around beginning of spring, the first day of the first lunar month is designated as the Spring Festival.