sidereal time

English

Pronunciation

• IPA^(key): /saɪˈdɪə.riəl taɪm/, /səɪˈdɪə.riəl taɪm/

Noun

sidereal time (uncountable)

1. (astronomy) Time measured by the apparent diurnal motion of the vernal equinox; approximated by that based on the rotation of planet Earth relative to the seemingly fixed stars.

Alternative forms

• sideral time

Hypernyms

• time

Hyponyms

• local sidereal time, mean sidereal time, local mean sidereal time

Translations

time measured by apparent motion of vernal equinox

Chinese: Mandarin: 恆星時 / 恒星时 (zh) (héngxīngshí) Finnish: tähtiaika (fi) French: temps sidéral m German: Sternzeit f Greek: αστρικός χρόνος m (astrikós chrónos) Hindi: तारा काल (tārā kāl) Irish: am na réaltaí m Japanese: 恒星時 (ja) (こうせいじ, kōseiji) Polish: czas gwiazdowy m Romanian: timp sideral (ro) n, oră siderală (ro) f Russian: звёздное вре́мя n (zvjózdnoje vrémja) Turkish: yıldız zamanı (tr) Ukrainian: зо́ряний ча́с m (zórjanyj čás)

Further reading

• sidereal time on Wikipedia.Wikipedia