Photo: Greg2600, CC BY-SA 2.0, via Wikimedia Commons
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William’s birthday, by the numbers
- William Sadler was born on a Thursday.
- William Sadler has been alive for about 27,965 days.
- Their 30,000-day milestone falls on June 1, 2032.
- Their next birthday, turning 77, is on a Tuesday.
- Next milestone: William Sadler turns 80 on April 13, 2030, in 3 years and 5 months. More milestone birthdays
- William Sadler is younger than 690 and older than 6,156 of the living celebrities on CFOTD.
- Half birthday: October 13. Birthstone: Diamond.
- William Sadler belongs to Baby Boomers.
Age gaps
- When William Sadler was born, Marilyn Monroe was 23. Compare
- William Sadler was 24 when Leonardo DiCaprio was born. Compare
Born within weeks of William
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Share William Sadler’s birthday, April 13?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 13⭐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 William Sadler?
William Sadler is 76 years old, born on April 13, 1950 in Buffalo.
What is William Sadler’s zodiac sign?
Aries, born April 13.