1 E9 s

To help compare orders of magnitude of different times this page lists times between 10⁹ seconds (a gigasecond) and 10¹⁰ seconds (31.7 years and 317 years). See also times of other orders of magnitude

• Shorter times
• 35 years (1.10 × 10⁹ s) -- Constitutionally-mandated minimum age for President of the United States.
• 36 years (1.14 × 10⁹ s) -- recorded maximum lifespan of a cat
• 50.5 years (1.59 × 10⁹ s) -- average age of human menopause
• 52 years -- length of one calendar round in the Mesoamerican calendar
• 60 years -- length of one full cycle (Celestial stem/Terrestrial branch) in the Chinese calendar
• 63 years, 8 months -- Reign of Queen Victoria
• 64 years -- Reign of of the Pharaoh Rameses II
• 65 years (2.05 × 10⁹ s) -- a common age for retirement of workers
• 72 years, 3 months, 18 days (2.28 × 10⁹ s) -- reign of Louis XIV
• 74 years -- duration of Communist rule in Russia
• 75 years -- average life span of humans in the First World
• 78 years -- estimated maximum lifespan of an elephant
• 84.3 years -- one orbit of Uranus
• 100 years (3.156 × 10⁹ s)-- one century
• 122 years and 164 days (3.86 × 10⁹ s) -- longest recorded lifespan of any known human (Jeanne Calment)
• 165 years -- one orbit of Neptune
• 190 years -- credited age of the oldest known tortoise, oldest land animal
• 247.7 years -- one orbit of Pluto
• 283 years -- duration of the Inca Empire
• 288 years -- one orbit of Quaoar
• 302 years -- duration of Spanish colonial rule in Mexico
• 304 years -- duration of the Romanov dynasty in Russia
• 310 years -- one orbit of Makemake

Elapsed time

• 32 years -- time in 2009 since the introduction of the first mass-produced personal computers. Also, time since the launch of the Voyager spacecraft, currently the most distant man-made objects in the universe.
• 33 years -- Time in 2009 since the first outbreak of the Ebola virus
• 34 years -- Time in 2009 since the end of the Vietnam War
• 35 years -- Time in 2009 since the Turkish occupation of Cyprus
• 36 years -- Time in 2009 since the beginning of the Watergate scandal; also, time since the United States Supreme Court enacted Roe vs. Wade
• 37 years -- Time in 2009 since Northern Ireland's Bloody Sunday
• 38 years -- Time in 2009 since the independence of Bangladesh.
• 40 years -- Time in 2009 since the Moon landing and the Woodstock festival
• 41 years -- Time in 2009 since the assassination of Martin Luther King, the Prague Spring and the May 1968 protests in France.
• 42 years -- Time in 2009 since the Summer of Love and the Six Day War
• 45 years -- Time in 2009 since the signing of the Civil Rights Act in the US abolished segregation
• 46 years -- Time in 2009 since the assassination of John F. Kennedy and the launch of the first geostationary satellite.
• 47 years -- Time in 2009 since the Cuban missile crisis and since The Beatles released their first record.
• 62 years -- time since Indian independence as of 2009
• 64 years -- in 2009, the age of the atomic bomb, and Bela Bartók's Third Piano Concerto; end of World War II and the Holocaust.
• 82 years -- age of commercially-viable "talking pictures" as of 2009
• 90 years -- time since the end of World War I as of June, 2009
• 113 years -- time since the first modern Olympic Games (1896)
• 130 years -- approximate age of the telephone, recorded sound, and the electric light
• 183 years -- time since the first isolation of aluminum as of 2008
• 184 years -- time since the premiere of Beethoven's Ninth Symphony as of 2008.
• 220 years -- time (in 2009) since the French Revolution
• 233 years -- age of the United States of America as of 2009
• 259 years -- age of Johann Sebastian Bach's incomplete Art of Fugue as of 2009

Half lives

• 63 years -- half-life of titanium-44
• 68.9 years -- half-life of uranium-232
• 100.1 years -- half-life of nickel-63
• 269 years -- half-life of argon-39

• Longer times