So when in doubt, it’s best to verify the information with a birth certificate, baby book, or parent before calculating.
To pull up a birth chart, whether it be yours or someone else’s, you’ll need the date, time, and location of birth. But keep in mind that the birth chart is an extremely sensitive diagram that requires accurate and precise data. In fact, the birth chart changes every four minutes (more on that later), which is why it’s critical to have an exact time of birth — approximates or estimates can (and will) skew the results. So when in doubt, it’s best to verify the information with a birth certificate, baby book, or parent before calculating.