1 E8 s

To help compare orders of magnitude of different times this page lists times between 3.2 years and 32 years (10⁸ seconds and 10⁹ seconds). See also times of other orders of magnitude.

• Shorter times
• 3.3 years -- half life of rhodium-101
• 4 years -- full term of the President of the United States; (roughly) an Olympiad.
• 4.37 years -- the length of time for light from Alpha Centauri to reach Earth
• 4.6 years -- orbital period of Ceres
• 5.2714 years -- half life of cobalt-60
• 6 years -- full term of a Senator in the United States
• 7 years -- the interval between leap seconds on December 31, 1998 and December 31, 2005, the longest one as of 2006
• 10 years -- one decade = 3.16 × 10⁸ seconds
• 11 years -- sunspot activity cycle (7.5 to 11 years)
• 11.87 years -- one orbit of Jupiter
• 12.27 years -- duration of Nazi Germany
• 13 years -- typical time to complete K-12 education in the United States.
• 13.08 years -- half life of californium-250
• 15 years -- age at which one is first eligible to receive a driver's license in New Zealand.
• 16 years -- usual age at which one is first eligible to receive a driver's license in most States of the United States.
• 16.13 years -- half life of niobium meta state Nb-93m
• 18 years -- age at which (in the United States) one is legally permitted to vote, sign contracts, and to use tobacco products.
• 18.03 years -- Saros cycle, the period of solar eclipses and lunar eclipses
• 19.0002 years -- 235 months (1 Metonic cycle)
• 21 years -- age at which one can consumer alcoholic beverages in the United States.
• 29 years -- recorded maximum lifespan of a dog
• 29.1 years -- half life of curium-243
• 29.458 years -- one orbit of Saturn
• Longer times