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How many days since Dennis M. Ritchie was born?

Dennis M. Ritchie · Tuesday, September 9, 1941 · People
31,101days since

It has been 31,101 days since Dennis M. Ritchie was born (Tuesday, September 9, 1941) — that's 85 years, 1 month and 25 days.

85y 1m 25d
Calendar
4,443w 0d
Weeks
1,021
Months
746,438
Hours
44,786,316
Minutes
2,687,179,005
Seconds

In other units

45.27
Mars years
#46 starts Fri, Mar 17, 2028
138.41
Venus years
7.18
Jupiter years
1,053
full moons
next Tue, Nov 24
4,443
weekends
≈ 3.14 billion
heartbeats
at a resting 70 bpm
80.04 billion
km around the Sun
Earth’s ride, at 107,000 km/h

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The big ones

  • Wed, Aug 4, 1943passed1,000,000 minutes
  • Mon, Jun 5, 1944passed1,000 days
  • Wed, Feb 4, 1953passed100,000 hours
  • Tue, Nov 8, 1960passed1,000 weeks
  • Sat, Jan 25, 1969passed10,000 days
  • Fri, May 18, 1973passed1,000,000,000 seconds
  • Wed, Jun 12, 1996passed20,000 days
  • Mon, Jan 24, 2005passed2,000,000,000 seconds
  • Sun, Oct 29, 2023passed30,000 days
  • Thu, Jan 9, 2025passed1,000 months

About

American computer scientist, co-inventor of the Unix operating system and the C programming language (1941–2011).

Wikipedia · Wikidata Q45575 · date from Wikidata (CC0), queried via QLever, updated 2026-11-01 ·more famous birthdays

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