To help compare orders of magnitude of different times this page lists times between 10⁶ seconds and 10⁷ seconds (approximately 11.6 days and 116 days). A megasecond is one million seconds. See also times of other orders of magnitude.

• shorter times
• 1.21×10⁶ seconds = 14 days ? a fortnight
• 1.38×10⁶ seconds = 15.9735 days ? half life of vanadium-48
• 1.54×10⁶ seconds = 17.81 days ? half life of californium-253
• 2.36×10⁶ seconds = 27.3217 days ? sidereal month
• 2.39×10⁶ seconds = 27.7025 days ? half life of chromium-51
• 2.42×10⁶ seconds = 28 days ? length of February in non-leap years
• 2.51×10⁶ seconds = 29 days ? length of February in a leap year
• 2.55×10⁶ seconds = 29.53059 days ? mean synodic month
• 2.59×10⁶ seconds = 30 days ? length of the months April, June, September, and November
• 2.629746×10⁶ seconds = 30.436875 days ? mean length of a Gregorian calendar month
• 2.68×10⁶ seconds = 31 days ? length of the months January, March, May, July, August, October, and December
• 4.45×10⁶ seconds = 51.5 days ? half life of mendelevium-258
• 5.23×10⁶ seconds = 60.5 days ? half life of californium-254
• 6.68×10⁶ seconds = 77.27 days ? half life of cobalt-56
• 7.24×10⁶ seconds = 83.79 days ? half life of scandium-46
• 7.54×10⁶ seconds = 87.32 days ? half life of sulfur-35
• 7.60×10⁶ seconds = 87 days 23.3 hours ? one orbit of Mercury
• 7.78×10⁶ seconds = 90 days ? approximate length of a quarter year, a common corporate and financial reporting interval
• 8.04×10⁶ seconds = 93.1 days ? half life of thulium-168
• 8.68×10⁶ seconds = 100.5 days ? half life of fermium-257
• longer times

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