Category:Units of time

C

• Calendars‎ (22 C, 109 P)
• Centuries‎ (70 C, 64 P)

D

• Day‎ (4 C, 14 P)
• Decades‎ (308 C, 2 P)
• Decimal time‎ (6 P)

M

• Millennia‎ (20 C, 14 P)
• Months‎ (31 C, 43 P)

N

• Names of units of time‎ (4 P)

O

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

S

• Seasons‎ (18 C, 26 P)
• Sexagenary cycle‎ (6 P)

T

• Types of year‎ (17 P)

W

• Weeks‎ (4 C, 8 P)

Y

• Years‎ (2,779 C, 4 P)

• Unit of time

A

• Aeon
• Annus
• Atom (time)

B

• Biennial
• Billion years
• 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
• Eight-day week
• Epact
• 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)
• ISO 31-2

J

• Jiffy (time)

K

• Kalpa (aeon)
• Kya (unit)
• Kyr

L

• Leap year
• Long weekend
• Lunar month
• Lustrum

M

• Millennium
• Minute
• Model year
• Moment (time)
• Month
• Mya (unit)
• Myr

N

• Nychthemeron

O

• Olympiad

P

• Pahar
• Palya
• Planck time
• Playing period

R

• Relative hour

S

• Saeculum
• Samay
• Samvatsara
• Season
• Seasonal year
• Second
• Seconds pendulum
• Semester
• Semesters
• Sexagenary cycle
• Shake (unit)
• Sidereal time
• Sol (day on Mars)
• 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)

W

• Week

Y

• Yuga
• Yuga Cycle