period of time

period time period

fundamental measure fundamental quantity

age air alert bimester bimillenary bimillennium bloom blossom bout bronze age calendar day calendar month calendar week canicular days canicule century civil day clotting time continuance dark dawn day daylight daytime decade decennary decennium dog days downtime drought drouth duration duty tour early days efflorescence elapsed time enlistment epoch era eve evening extra time festival field day flower flush forenoon fortnight generation Golden Age great year half life half-century half-life hebdomad heyday hitch honeymoon hospitalization hour hours incubation period Indian summer indiction iron age lactation lease life lifespan lifetime life-time long haul long run long time lunar time period lustrum mid-April mid-August mid-December mid-February mid-January mid-July mid-June mid-March mid-May mid-November mid-October mid-September midweek midwinter millenary millennium month morn morning morning time multistage nap night nighttime noviciate novitiate occupation Olympiad overtime past peacetime peak phase phase of the moon Platonic year prehistoric culture prehistory prime prohibition prohibition era puerperium quadrennium quarter quarter-century question time quinquennium rainy day real time regulation time reign run running time Saint Martin''s summer school school day schooltime season semester shelf life silly season silver age sleep stage study hall term term of a contract term of enlistment test period tide time time frame time limit time of life time of year time off times tour tour of duty travel time trial period trimester twelvemonth two weeks uptime usance wartime watch week weekend window work time year years youth yr