This Is What a Libra Rising Is Actually Like You're probably crushing on one rn. Jul 27, 2021 So, you're a Libra Rising...or maybe you're crushing on one, or your BFF is one. Unlike your Sun sign, which is determined by your birthday, your Rising sign is determined by the time you were born. To get specific, it’s determined by which zodiac sign was on the eastern horizon when you were born, and it changes every two-ish hours. You can be a Libra Sun and Libra Rising, Scorpio Sun and Libra Rising, Aquarius Sun and Libra Rising—you get the idea. If you don't know your Rising sign, grab your birth time and head to a free birth chart calculator.