ීම සහ වේලාවUTCUTTAIUnit of timePlanck timeතප්පරමිනිත්තුහෝරාපැයදිනසුමානමාසඅවුරුදුDecadeCenturyMillenniumකල්පTropical yearSolar yearSidereal yearMeasurementsystemsවේලා කලාප12-hour clock24-hour clockDaylight saving timeNew Earth TimeSolar timeSidereal timeMetric timeDecimal timeHexadecimal timeදිනදසුන්GregorianJulianHebrewIslamicLunarSolar HijriMayanIntercalationLeap secondLeap yearඔරලෝසුHorologyHistory of timekeeping devicesMain typesastrariumatomicquantummarinesundialwatchwater-basedChronologyHistoryAstronomical chronologyBig HistoryCalendar eraChronicleDeep timePeriodizationRegnal yearTimelineReligionMythologyDreamtimeKālaKalachakraProphecyTime and fate deitiesWheel of timePhilosophy of timeA-series and B-seriesB-theory of timeCausalityDurationEndurantismEternal returnEternalismEventPerdurantismPresentismTemporal finitismTemporal partsThe Unreality of TimeHuman experienceand use of timeAccounting perio