节气英文ppt

Twenty-fourChineseSolarTermsBy文振帆王恒俊24SolarTermsBasedonthechangesofthesun'spositioninthezodiacthroughouttheyearandpracticalneedsofagricultureinancientChina,the“24solarterms”isanimportantkindofcalendarinChina.Itindicatesdifferentperiodsofseasons,thechangesofweather,somenaturalphenomenaandmore,guidingfarmersinagricultureproductiongreatly.Commonpeoplealsofollowthecalendartowatchoutweatherchangesandliveahealthylife.GraininearOriginAsearlyastheShangDynasty(17thcenturyBC-1046BC),theChineseancestorshadalreadyestablishedfourmajorsolarterms.DuringtheZhouDynasty(1046-256BC),eightsolartermsmarkingthefourseasonswereestablished:StartofSpring,SpringEquinox,StartofSummer,SummerSolstice,StartofAutumn,AutumnEquinox,StartofWinter,andWinterSolstice.UntiltheHanDynasty(202BC-220AD),thepresent24solartermswasestablishedcompletely.TherainsThetwenty-foursolartermscanbedividedintothreegroups:Onegroupreflectstheseasonalchanges(including8terms):StartofSpring,StartofSummer,StartofAutumnandStartofWintermarkthefourseasons;SpringEquinox,SummerSolstice,AutumnEquinox,andWinterSolsticereflecttheheightchangesofthesunfromtheastronomyaspect.InsectsawakenOneembodiesnaturalphenomena(including4terms):InsectsAwaken,PureBrightness,GrainFullandGraininEarVernalEquinoxTherestreflectstheclimatechanges(including12terms):SlightHeat,GreatHeat,TheEndofHeat,LesserColdandGreaterColdtellthetemperaturechanges;RainWater,GrainRain,LightSnowandHeavySnowreflecttheprecipitationlevels;WhiteDew,ColdDewandFrostDescentreflectthedroppingprocessanddegreeofthetemperature.PureBrightnessThedateofeachsolartermisbasicallyfixedwithminordifferencesofwithinoneortwodays.Eachmonthhastwosolarterms.GrainrainFollowing,letuschecktheexactdatesfor24solartermsin2015anddetailedmeaningsforeachterm.GrainFullSpringStartofSpringFeb.4Thespringseasonbegins.RainWaterFeb.19Theamountofrainfallincreases.InsectsAwakenMar.6Insectsareawakeningfromwintersleepbythespringthunder.SpringEquinoxMar.21Themid-pointforthespringseason;Dayandnightareequallylongontheday.PureBrightnessApr.5Itiswarm,brightandeverywheregetsgreen;Itisalsothetimefortendinggraves.GrainRainApr.20Rainfallincreaseswhichishelpfultograincrops.StartofSpringSummerStartofSummerMay6Thesummerseasonbegins.GrainFullMay21Grainsaregettingplumpbutnotripeyet.GraininEarJun.6Wheatgrowsripemarkingthebeginningofabusyfarmingseason.SummerSolsticeJun.22Thesunaltitudearrivethehighestinnorth;Ithasthelongestdaytimeoftheyear.SlightHeatJul.7Thehottestdaysareyettocome.GreatheatJul.23Thehottesttimeofayear.StartofSummerAutumnStartofAutumnAug.7Theautumnseasonbegins.TheEndofHeatAug.23Thehotsummeriscomingtoanendandheatstops.WhiteDewSep.8Itisgettingcooleranddewdropsappearongrassandtreesinthemorning.AutumnEquinoxSep.23Themid-pointfortheautumnseason;Thetemperaturebeginstodecrease;Dayandnightareequallylongontheday.ColdDewOct.8Thedewsarebecomingfrost.FrostDescentOct.24Frostappearsandthetemperaturebeginstodescent.StartofAutumnWinterStartofWinterNov.8Thewinterseasonbegins.LightSnowNov.22Itbeginstosnowbutcan'taccumulatealotontheground.HeavySnowDec.7Itbeginstosnowheavily.WinterSolsticeDec.22Ithastheshortestdaytimeofayear;Aftertheday,manyplacesinChinagointothecoldestperiod;PeopleinnorthernChinaeatdumplingsonthedayandsweetsoupballsforthepeopleintheSouth.LesserColdJan.6Itisgettingcolder,butthecoldestdaysareyettocome.GreaterColdJan.20Itisthecoldesttimeofayear.StartofWinterSummersolsticeSlightheatGreatheatStoppingtheheatWhitedewsAutumnEquinoxColddewsHoar-frostfallsLightsnowHeavysnowWinterSolsticeSlightcoldGreatcold