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How many days since The Hitchhiker's Guide to the Galaxy was published?

The Hitchhiker's Guide to the Galaxy (book) · Friday, October 12, 1979 · Culture
17,189days since

It has been 17,189 days since The Hitchhiker's Guide to the Galaxy was published (Friday, October 12, 1979) — that's 47 years and 22 days.

47y 0m 22d
Calendar
2,455w 4d
Weeks
564
Months
412,549
Hours
24,752,997
Minutes
1,485,179,845
Seconds

In other units

25.02
Mars years
#26 starts Tue, Sep 5, 2028
76.50
Venus years
3.97
Jupiter years
582
full moons
next Tue, Nov 24
2,456
weekends
≈ 1.73 billion
heartbeats
at a resting 70 bpm
44.24 billion
km around the Sun
Earth’s ride, at 107,000 km/h

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About

1979 novel by Douglas Adams.

Wikipedia · Wikidata Q3107329 · date from Wikidata (CC0), queried via QLever, updated 2026-11-01 ·more books

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