What constellation is April 13 of the lunar calendar?

If you mean the 13th day of April in the lunar calendar in 2023, then the corresponding solar calendar date is May 3, 20231. People born on this day are Gemini, and people born between May 2 1 day and June 2 1 day are Gemini. Gemini is air signs. They are usually sociable, fluent, intelligent and curious, but sometimes they may not be sincere and frank enough. The ruler of Gemini is Mercury, which represents wisdom and reason. The way to express love is not to hesitate or regret.