1 E8 s

Orders of magnitude (time) in E notation
Planck time 1 E-25 s 1 E-24 s 1 E-21 s 1 E-18 s 1 E-17 s 1 E-16 s 1 E-15 s 1 E-14 s 1 E-13 s 1 E-12 s 1 E-11 s 1 E-10 s 1 E-9 s 1 E-8 s 1 E-7 s 1 E-6 s 1 E-5 s 1 E-4 s 1 E-3 s 1 E-2 s 1 E-1 s	1 E0 s 1 E1 s 1 E2 s 1 E3 s 1 E4 s 1 E5 s 1 E6 s 1 E7 s 1 E8 s 1 E9 s 1 E10 s 1 E11 s 1 E12 s 1 E13 s 1 E14 s 1 E15 s 1 E16 s 1 E17 s 1 E18 s 1 E19 s and more
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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
13 years -- typical time to complete K-12 education in the United States.
13.08 years -- half life of californium-250
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
18.03 years -- Saros cycle, the period of solar eclipses and lunar eclipses
19.0002 years -- 235 months (1 Metonic cycle)
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

v • d • e Orders of magnitude (time), by powers of seconds

Negative powers	10⁻⁴⁴ s \| ... \| 10⁻²⁵ s \| 10⁻²⁴ s ... 10⁻²² s \| 10⁻²¹ s ... 10⁻¹⁹ s \| 10⁻¹⁸ s ... 10⁻¹⁶ s \| 10⁻¹⁵ s ... 10⁻¹³ s \| 10⁻¹² s \| 10⁻¹¹ s \| 10⁻¹⁰ s \| 10⁻⁹ s \| 10⁻⁸ s \| 10⁻⁷ s \| 10⁻⁶ s \| 10⁻⁵ s \| 10⁻⁴ s \| 10⁻³ s \| 10⁻² s \| 10⁻¹ s

Positive powers	1 s \| 10 s \| 10² s \| 10³ s \| 10⁴ s \| 10⁵ s \| 10⁶ s \| 10⁷ s \| 10⁸ s \| 10⁹ s \| 10¹⁰ s \| 10¹¹ s \| 10¹² s \| 10¹³ s \|10¹⁴ s \| 10¹⁵ s \| 10¹⁶ s \| 10¹⁷ s \| 10¹⁸ s \| 10¹⁹ s and more

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