To help compare orders of magnitude of different times this page lists times between 109 seconds and 1010 seconds (32 years and 320 years). See also times of other orders of magnitude
- Shorter times
- 63 years -- half-life of titanium-44
- 68.9 years -- half-life of uranium-232
- 75 years -- average human life span
- 84 years, 3 days, 15.66 hours -- one orbit of Uranus
- 100 years -- one century = 3.16 × 109 seconds
- 165 years -- one orbit of Neptune
- 247.7 years -- one orbit of Pluto
- 288 years -- one orbit of Quaoar
- Longer times
