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)
• 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