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,
30 minutes,
half-hour,
15 minutes,
quarter-hour,
min,
minute,
quarter,
s,
sec,
second,
attosecond,
femtosecond,
picosecond,
nanosecond,
microsecond,
millisecond,
msec,
yuga,
Mahayuga.