- Shorter times
- 1 million seconds = 11.6 days
- 14 days (~1.21x10
^{6}s) -- a fortnight - 15.9735 days -- half life of vanadium-48
- 27.3217 days -- sidereal month
- 28 days (~2.42x10
^{6}s) -- length of February in non-leap years - 29 days (~2.51x10
^{6}s) -- length of February in a leap year - 29.53059 days -- mean synodic month
- 30 days (~2.59x10
^{6}s) -- length of the months April, June, September, and November - 31 days (~2.68x10
^{6}s) -- length of the months January, March, May, July, August, October, and December - 83.79 days -- half-life of scandium-46
- 87d 23.3h -- one orbit of Mercury
- 90 days (~7.78x10
^{6}s) -- common length of a product warranty (in the United States) - 90 days -- approximate length of a quarter year, a common corporate and financial reporting interval
- 93.1 days -- half life of thulium-168
- 10 million seconds = 116 days
- Longer times