Find your exact birth date
Find your exact birth time
Find your birthplace
Use a natal chart calculator or astrology app
Enter your birth date, time, and location
Read the chart to identify the Ascendant or Rising sign
Check the zodiac sign on the first house cusp
If your birth time is unknown, use a birth certificate or hospital record
If the birth time is uncertain, ask a professional astrologer for a rectification
Compare results from multiple astrology tools if needed