diurnal Synonyms

circadian occurring each day perpetual periodic monthly momently missal menstrual hourly hebdomadary quotidian regular occurring every day semestral semiannual yearly triweekly triennial tertian semimonthly hebdomadal half-hourly centennial centenary catamenial book biweekly bimonthly biennial annual common cyclical daily fortnightly ferial everyday equidiurnal decennial daytime daylight day abiding