Other hyponyms of time unit include
24-hour interval,
day,
mean solar day,
solar day,
twenty-four hour period,
twenty-four hours,
night,
mean solar time,
mean time,
ephemeris time,
TDT,
terrestrial dynamical time,
terrestrial time,
TT,
month,
day,
sidereal day,
bell,
ship's bell,
60 minutes,
hour,
hr,
half-hour,
15 minutes,
quarter-hour,
min,
minute,
quarter,
s,
sec,
second,
attosecond,
femtosecond,
picosecond,
nanosecond,
microsecond,
millisecond,
msec,
yuga,
Maha-Yuga,
Mahayuga.