unit of time
measurement unit for time
galactic year
amount of time it takes the universe to rotate, unit of time equivalent to 230 million years
lunar month
units of time based on the Moon
epoch
Subdivision of geological time; shorter than a period and longer than an age
moment
medieval unit of time; equals 1/40 of a medieval hour, i.e. 1/480 of the time interval between sunrise and sunset
instruction cycle
basic operation cycle of a computer
quarter of an hour
unit of duration
year
Chinese unit of time
year
estimated period of time for the Earth's orbit around the Sun and observed at a fixed geographic point (averaging 365.24 days); base later modified to define or adjust various calendars
decade
period of 10 years
Sexagenary cycle
method for reckoning time in China
period
subdivision of geological time; shorter than an era and longer than an epoch
lunar day
time for the Moon to complete one rotation on its axis
sidereal day
one day of sidereal time; the time in which Earth rotates once around its axis, relative to the point of the vernal equinox
TU
1024 microseconds
sidereal month
astronomical unit of time
half hour
unit of time
second
SI unit of time, defined as 9 192 631 770 periods of the ground-state hyperfine transitions of caesium-133
tropical year
period of time for the ecliptic longitude of the Sun to increase 360°
fiscal year
one-year term for government and business financial reporting
nanosecond
SI unit of time equal to one billionth of a second or 1/1,000th of a microsecond
landing slot
permission to use airport infrastructure
indiction
any of the years in a 15-year cycle used to date medieval documents throughout Europe
quinquennium
a 5-year period
Gaussian year
unit of time equaling 365.2568983 days, adopted by Carl Friedrich Gauss as the length of the sidereal year in his studies of the dynamics of the solar system
fortnight
time period of two weeks
Hindu units of time
concept of time in Hinduism
atom of time
smallest possible unit of time
semester
series of six consecutive months
flick
unit of time used in audio/video timing cacluations
Oxford time
custom of having scheduled events occur five minutes late
hour
unit of time
Julian year
unit of time and a version of the year often used in astronomy
microsecond
SI unit of time equal to one millionth of a second or 1/1,000th of a millisecond
ke
unit of duration
pulses per quarter note
smallest unit of time used for sequencing MIDI events
million years ago
unit for specifying a point in time
synodic month
unit of time
minute
unit of time
millennium
time period of 1000 years
trimester
quarter in calendar year
millisecond
SI unit of time equal to one thousandth of a second
academic year
period of time which schools, colleges and universities use to measure the quantity of study
high season
time of the year when an establishment or attraction is most popular and expensive
quarter
unit of time; 3 months, quarter of a year
synodic day
rotation period of a body relative to the primary object it orbits, e.g. solar day
Chinese double hour
ancient Chinese time unit, 12 double-hour periods
Adar Aleph
intercalary month preceding Adar Bet in leap years, in Hebrew calendar