Category:Time scales

• Time scale (physics)
• Time standard (physics)

A

• Anti-sidereal time (astronomy)
• Astronomical day (physics)

B

• Barycentric Coordinate Time (physics)
• Barycentric Dynamical Time (physics)
• Barycentric Julian Date (astronomy)
• Byzantine time (physics)

C

• Civil time (physics)
• Coordinate time (physics)
• Coordinated Universal Time (physics)

D

• ΔT (physics)
• DUT1 (physics)
• Dynamical time scale (astronomy)

E

• Ephemeris day (physics)
• Ephemeris time (astronomy)

G

• Geocentric Coordinate Time (physics)

H

• Heliocentric Julian Day (astronomy)

I

• International Atomic Time (physics)

L

• Local mean time (physics)

M

• Mission Elapsed Time (physics)

N

• Nautical time (physics)
• Nuclear timescale (physics)

R

• Railway time (physics)

S

• Sidereal time (astronomy)
• Solar time (physics)
• Spacecraft Event Time (physics)
• Standard time (physics)
• Sun transit time (physics)

T

• Terrestrial Time (physics)
• Thermal time scale (astronomy)

U

• Universal Time (physics)
• Unix time (computing)