sidereal noon

sidereal noon

See sidereal time.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

sidereal noon

[sī′dir·ē·əl ′nün]
(astronomy)
The instant in time that the vernal equinox is on the meridian.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.