From English-日本語 (にほんご) FreeDict+WikDict dictionary ver. 2022.11.18: sidereal time /saɪdˈiəɹɪəl tˈaɪm/ <n> 恒星時 time measured by apparent motion of vernal equinox
sidereal time /saɪdˈiəɹɪəl tˈaɪm/ <n> 恒星時 time measured by apparent motion of vernal equinox