Counting from midnight on your birth date; no birth time.
Data: UN World Population Prospects 2024, via Our World in Data (estimates).
Assuming 80 heartbeats and 16 breaths a minute and sleeping a third of the time; illustrative only.
Your birthday sits on a boundary; the neighbouring sign is possible.
An astronomical estimate, accurate to within half a day.
Data: Wikipedia (Billboard Hot 100 number-one lists, Golden Melody Song of the Year) and video links from Wikidata; videos load from YouTube only when you press play.
Data: Wikipedia, Golden Horse Best Feature Film and Academy Award for Best Picture.
Open the front page of a news site as it was back then (from the Internet Archive) and see what the world looked like.
Data: Internet Archive Wayback Machine, closest snapshot to your birthday.