Tropic year
| the solar year; the period occupied by the sun in passing from one tropic or one equinox to the same again, having a mean length of 365 days, 5 hours, 48 minutes, 46.0 seconds, which is 20 minutes, 23.3 seconds shorter than the sidereal year, on account of the precession of the equinoxes. |
See also: Tropical