Category:Units of time

C

• Calendars‎ (23 C, 113 P)
• Centuries‎ (73 C, 64 P)

D

• Day‎ (4 C, 14 P)
• Decades‎ (308 C, 3 P)
• Decimal time‎ (6 P)

M

• Millennia‎ (20 C, 18 P)
• Months‎ (34 C, 45 P)

N

• Names of units of time‎ (4 P)

O

• Orders of magnitude (time)‎ (1 C, 15 P)

S

• Seasons‎ (17 C, 27 P)
• Sexagenary cycle‎ (6 P)

T

• Types of year‎ (17 P)

W

• Weeks‎ (4 C, 11 P)

Y

• Years‎ (2,780 C, 2 P)

• Unit of time

A

• A (unit)
• Aeon
• Aeon (Thelema)
• Annus
• Atom (time)
• Atomic second

B

• Biennial
• Bya
• Bya (unit)

C

• Calendar
• Calendar year
• Century
• Century common year
• Century leap year
• Chronon
• Chronozone
• Common year
• Cosmic Calendar
• Cosmological decade

D

• Date windowing
• Day
• Lunar day
• Decade
• Decimal time

E

• Eclipse season
• Epact
• Ephemeris second
• Era

F

• Five Years
• Flick (time)
• Fortnight
• Friedman Unit

G

• Geologic Calendar
• Global Boundary Stratotype Section and Point
• Global Standard Stratigraphic Age

H

• Half-month
• Helek
• Hindu units of time
• Hour

I

• Indiction
• Intercalation (timekeeping)

J

• Jiffy (time)

K

• Kalpa (time)
• Karaṇa (pañcāṅga)
• Kya (unit)
• Kyr

L

• Leap year
• Long weekend
• Lunar month
• Lustrum

M

• Mars sol
• Millennium
• Million years ago
• Minute
• Model year
• Moment (unit)
• Month
• Mya (unit)

N

• Nirayana system
• Nityayoga
• Nychthemeron

O

• Olympiad

P

• Pahar
• Palya
• Planck time
• Playing period

R

• Relative hour

S

• Saeculum
• Samayā
• Samvatsara
• Saros (astronomy)
• Season
• Seasonal year
• Second
• Seconds pendulum
• Semester
• Semesters
• Sexagenary cycle
• Shake (unit)
• Sidereal second
• Sidereal time
• Solar cycle (calendar)
• Sothic cycle
• Stage (stratigraphy)
• Svedberg
• Swatch Internet Time
• Synodic day

T

• Ten thousand years
• Tithi
• Traditional Chinese timekeeping
• Trimester
• Tropical year
• Tya (unit)

V

• Vāra (astronomy)

W

• Week

Y

• Yuga
• Yuga cycle