Capricorn and Aquarius.
According to the date of the twelve constellations queried on the website of Constellation Music, the date of Capricorn is 65438+ 10/to 65438+1 9, and the date of Aquarius is 65438+ 10+.
The division of constellations is determined by the position of the sun on the ecliptic. Each constellation corresponds to a zodiac, and each zodiac occupies 30 degrees.