JJ fansites
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JJ’s birthday, by the numbers
- JJ was born on a Sunday.
- JJ has been alive for about 9,321 days.
- Their 10,000-day milestone falls on September 14, 2028.
- Their next birthday, turning 26, is on a Thursday.
- Next milestone: JJ turns 30 on April 29, 2031, in 4 years and 5 months. More milestone birthdays
- JJ is younger than 6,510 and older than 336 of the living celebrities on CFOTD.
- Half birthday: October 29. Birthstone: Diamond.
- JJ belongs to Gen Z.
Age gaps
- When JJ was born, Selena Gomez was 8. Compare
- JJ was 2 when Tate McRae was born. Compare
Born within weeks of JJ
Days and weekdays are worked out from the birth date. Compare JJ’s age with anyone.
Share JJ’s birthday, April 29?Make something for yourself or a birthday friend.
🏅Birthday certificateAdd a name, download a PDF or image🎂Printable birthday pageA free one-page PDF for April 29⭐Birthday twin cardA square card to shareBirthday wishes from fans
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Birth dates and details from Wikidata (checked October 15, 2026, newest names added October 27, 2026). Ages update every day. Photos are freely licensed and credited on each profile. How we build this site · Report a mistake
Frequently asked questions
How old is JJ?
JJ is 25 years old, born on April 29, 2001 in Vienna.
What is JJ’s zodiac sign?
Taurus, born April 29.