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Equivalents in other units


How long is 42 days?

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It's about four-fifths as long as The First US Continental Congress.
In other words, 42 days is 0.82 times the length of The First US Continental Congress, and the length of The First US Continental Congress is 1.2 times that amount.
(1774) (Philadelphia, Pennsylvania)
It's about one-and-one-third times as long as a William Henry Harrison's Presidency.
In other words, 42 days is 1.333 times the length of a William Henry Harrison's Presidency, and the length of a William Henry Harrison's Presidency is 0.7502 times that amount.
(a.k.a. William Henry Harrison, a.k.a. "Tippecanoe," a.k.a. "Old Tippecanoe") (1841)
It's about two-thirds as long as The Voyage of the Mayflower.
In other words, the length of The Voyage of the Mayflower is 1.6 times 42 days.
(1620)
It's about three-fifths as long as Columbus' voyage to America.
In other words, the length of Columbus' voyage to America is 2 times 42 days.
(1492) (first voyage)
Attempting to find a western route to Asia, Christopher Columbus set sail on August 3rd, 1492 and landed in the Bahamas on October 12th — 70 days later. After one of Columbus' ships, the Santa Maria ran aground in present-day Haiti, he ordered that the timber be used to used to build a fort and settlement called La Navidad; it remains missing to archaeologists to this day.
It's about half as long as The First spaceflight (Sputnik).
In other words, 42 days is 0.46 times the length of The First spaceflight (Sputnik), and the length of The First spaceflight (Sputnik) is 2.2 times that amount.
(a.k.a. Sputnik 1, a.k.a. Спутник-1, a.k.a. "Satellite-1", a.k.a. Простейший Спутник-1) (1957) (total time in orbit)
It's about two-fifths as long as The Spanish-American War.
In other words, 42 days is 0.385 times the length of The Spanish-American War, and the length of The Spanish-American War is 2.6 times that amount.
(1898)
It's about two-fifths as long as The First artificial heart patient's survival.
In other words, 42 days is 0.375 times the length of The First artificial heart patient's survival, and the length of The First artificial heart patient's survival is 2.67 times that amount.
(1982) (Dr. Barney Bailey Clark; first permanent, pneumatic device)