- AD
- advance
- afternoon
- alarm
- alarm clock
- a.m.
- Anno Domini
- annual
- April
- Ash Wednesday
- Aug.
- August
- autumn
- autumnal
- bank holiday
- BC
- BCE
- biannual
- bicentenary
- bicentennial
- biennial
- bimonthly
- birthday
- biweekly
- bonfire night
- Boxing Day
- British Summer Time
- BST
- calendar
- calendar month
- calendar year
- carriage clock
- centenary
- century
- Christmas
- Christmas Day
- Christmas Eve
- Christmastime
- chronograph
- chronological
- chronology
- chronometer
- circadian
- clock
- crystal
- cuckoo clock
- cycle
- cyclic
- daily
- daily
- date
- date
- dawn
- day
- Dec.
- decade
- December
- diamond anniversary
- diamond jubilee
- dinnertime
- diurnal
- d.o.b.
- due date
- dusk
- face
- Father's Day
- feast
- February
- fortnightly
- Fri.
- Friday
- Good Friday
- Greenwich Mean Time
- Gregorian calendar
- guy
- half-hourly
- half-yearly
- Halloween
- hand
- Hanukkah
- harvest festival
- Hogmanay
- horn
- hour
- hourglass
- hour hand
- hr
- Independence Day
- Jan.
- January
- jubilee
- July
- June
- Labor Day
- leap year
- lunar month
- mainspring
- man-hour
- Mar.
- March
- Mardi Gras
- market day
- Maundy Thursday
- May
- May Day
- Michaelmas
- midday
- middle age
- middle-aged
- midnight
- Midsummer Day
- midweek
- millennium
- min.
- minute hand
- Mon.
- Monday
- month
- morn
- morning
- Mothering Sunday
- Mother's Day
- movable feast
- new moon
- New Year
- New Year's Day
- New Year's Eve
- night
- nightfall
- nighttime
- nocturnal
- Noel
- noon
- noonday
- Nov.
- November
- Oct.
- October
- p.a.
- Pancake Day
- PDT
- penultimate
- per annum
- per diem
- periodic
- p.m.
- PST
- public holiday
- quarter
- quotidian
- Remembrance Day
- Sat.
- Saturday
- schoolday
- season
- second
- second hand
- self-winding
- September
- shockproof
- silver anniversary
- silver jubilee
- silver wedding anniversary
- solar year
- solstice
- spring
- springtime
- standard time
- stopwatch
- summer
- summer solstice
- summertime
- summery
- Sun.
- Sunday
- sundown
- sunrise
- sunset
- sun-up
- tercentenary
- Thanksgiving
- thirty
- Thursday
- time
- time
- timepiece
- timer
- time signal
- time warp
- time zone
- today
- today
- tomorrow
- tomorrow
- tonight
- tonight
- triennial
- Tuesday
- twilight
- Wed.
- Wednesday
- week
- weekday
- weekend
- weekly
- weeknight
- Whit
- Whitsun
- winter
- wintertime
- wk.
- wristwatch
- year
- yesterday
- yr.
- Yule
- Yuletide
