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(a) daily(a) date(n) date(v) 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(n) time(v) timepiece timer time signal time warp time zone today(a) today(n) tomorrow(a) tomorrow(n) tonight(a) tonight(n) triennial Tuesday twilight Wed. Wednesday week weekday weekend weekly weeknight Whit Whitsun winter wintertime wk. wristwatch year yesterday yr. Yule Yuletide