WordNet: TDT, TT, keskiaurinkoaika

Sanatista
(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



TDT

  • (englanti) TDT (synonyymi)


TT

  • (englanti) TT (synonyymi)


keskiaurinkoaika