Many time words relate to light and rotation of the earth.
after-glow
analemma
apparent time
Atlantic time
aurora Australis
aurora Borealis
calendar
chronometer
circle of illumination
corona
dawn
day
day
ecliptic
equinox
equinox, autumnal
equinox, vernal
fall
Greenwich Mean time
growing season
horizon
horizon ring
iceblink
inclination
inclination of the earth's axis
insolation
International Date Line
International Date Line
isohel
leap year
local time
local time
lunar eclipse
lunar month
mackerel sky
mean solar day
midnight sun
minute
mirage
mock moon
mock sun
month
moon
moon secular
northern lights
orbit
orbit of the earth
Pacific time
revolution
revolution of the earth
rotation of the earth
season
second
shadow
shadow stick
solar day
solar day, mean
solar time
solstice
solstice
spring equinox
Standard time
standard time
standard time belts
sun
sundial
sunrise
sunrise
sunset
sunset
sunshine
sunshine recorder
time
time
time dial
time zone maps
time zones
twilight
ubac
veranillo
verano
vernal equinox
year
year
zodiac
zone time