Terrestrial Dynamical Time — synonyms, definition

1. terrestrial dynamical time (Noun)

4 synonyms
TDT TT ephemeris time terrestrial time
1 definition

terrestrial dynamical time (Noun) — (astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions.

2 types of
time unit unit of time