1 冬(dong)天(tian)節(jie)氣
關于冬天節氣主(zhu)要(yao)有以(yi)下幾個:
立冬:立(li)(li)(li)冬(dong)(dong)(dong)(dong)時值公歷的(de)11月(yue)7日前后。立(li)(li)(li)冬(dong)(dong)(dong)(dong)單從字面上可解疆為:“立(li)(li)(li),建(jian)始也,冬(dong)(dong)(dong)(dong),終(zhong)也,萬物(wu)收(shou)藏也。”民間(jian)習(xi)慣把這一(yi)(yi)天當作(zuo)冬(dong)(dong)(dong)(dong)季的(de)開(kai)始。冬(dong)(dong)(dong)(dong),作(zuo)為終(zhong)了之意,指一(yi)(yi)年的(de)田間(jian)操作(zuo)結束,作(zuo)物(wu)收(shou)割(ge)后要收(shou)藏起來的(de)意思(si)。諺語說“立(li)(li)(li)冬(dong)(dong)(dong)(dong)晴,一(yi)(yi)冬(dong)(dong)(dong)(dong)凌(嚴(yan)寒意)”, “立(li)(li)(li)冬(dong)(dong)(dong)(dong)陰,一(yi)(yi)冬(dong)(dong)(dong)(dong)溫(暖(nuan)冬(dong)(dong)(dong)(dong))”,古人在(zai)立(li)(li)(li)冬(dong)(dong)(dong)(dong)看氣象,卜(bu)一(yi)(yi)冬(dong)(dong)(dong)(dong)的(de)冷(leng)暖(nuan)。立(li)(li)(li)冬(dong)(dong)(dong)(dong)之時怕逢壬,來歲高田枉費心,此(ci)日更逢壬子(zi)日,災殃預報黎民。立(li)(li)(li)冬(dong)(dong)(dong)(dong)無雨一(yi)(yi)冬(dong)(dong)(dong)(dong)晴,立(li)(li)(li)冬(dong)(dong)(dong)(dong)有雨一(yi)(yi)冬(dong)(dong)(dong)(dong)雨,立(li)(li)(li)冬(dong)(dong)(dong)(dong)若遇(yu)西北風,定(ding)主來年五(wu)谷豐(feng)。
小雪:小(xiao)(xiao)雪(xue)(xue)時(shi)(shi)(shi)值公歷的(de)11月22日(ri)前后。此時(shi)(shi)(shi)因氣(qi)溫急劇下降(jiang)(jiang)(jiang)而開(kai)始(shi)降(jiang)(jiang)(jiang)雪(xue)(xue),但還(huan)不到(dao)大雪(xue)(xue)紛(fen)飛的(de)時(shi)(shi)(shi)節(jie),所以(yi)就叫小(xiao)(xiao)雪(xue)(xue)。小(xiao)(xiao)雪(xue)(xue)前后,黃河(he)流域(yu)開(kai)始(shi)降(jiang)(jiang)(jiang)雪(xue)(xue)(南方降(jiang)(jiang)(jiang)雪(xue)(xue)還(huan)要晚兩(liang)個節(jie)氣(qi));而北方,已進(jin)入封(feng)凍季節(jie)。“荷盡已無擎雨蓋,菊(ju)殘猶(you)有(you)傲霜枝(zhi)”,這時(shi)(shi)(shi)已呈初冬景象。農諺曰: “小(xiao)(xiao)雪(xue)(xue)不見(jian)雪(xue)(xue),便把來年長(chang)工(gong)歇。”意思是,到(dao)了小(xiao)(xiao)雪(xue)(xue)節(jie)氣(qi),還(huan)未下雪(xue)(xue),在中國北方則(ze)冬麥無法(fa)過冬,而第二年將缺水(shui)并有(you)蟲害,農事不佳,可(ke)以(yi)不請(qing)長(chang)工(gong)。由(you)此可(ke)見(jian)冬天的(de)降(jiang)(jiang)(jiang)雪(xue)(xue)量直接影響農作物的(de)收成。
大雪:大(da)雪(xue)(xue)時值公歷的(de)(de)12月(yue)7日(ri)前后。“大(da)雪(xue)(xue)”從字面(mian)(mian)上理解,就(jiu)是(shi)表(biao)示(shi)降雪(xue)(xue)開始(shi)大(da)起(qi)來。古人解釋說(shuo): “大(da)者,盛也(ye)。至此(ci)而(er)雪(xue)(xue)盛矣。”當地面(mian)(mian)有(you)積雪(xue)(xue),則雪(xue)(xue)大(da)的(de)(de)象征。北方有(you)“千里(li)冰封(feng),萬里(li)雪(xue)(xue)飄(piao)”的(de)(de)自然景現,南方也(ye)有(you)“雪(xue)(xue)花飛(fei)舞(wu),漫天銀色(se)”的(de)(de)迷人圖畫。我國北方在(zai)農業上,有(you)“瑞(rui)雪(xue)(xue)兆(zhao)豐年”的(de)(de)說(shuo)法,這主要是(shi)說(shuo)雪(xue)(xue)鋪蓋在(zai)地上,因溫度低(di),能殺死(si)越冬(dong)的(de)(de)蟲子,給農業帶來好處。小雪(xue)(xue)封(feng)地,大(da)雪(xue)(xue)封(feng)河.麥蓋三層被,枕著饅頭睡.冬(dong)月(yue)初一有(you)風疾病多(duo),更(geng)兼大(da)雪(xue)(xue)有(you)災(zai)魔,冬(dong)至天晴無(wu)雨色(se),來年定唱太平歌。
冬至:冬(dong)(dong)至時(shi)值公歷(li)的(de)12月(yue)(yue)(yue)21日(ri)前后(hou)。冬(dong)(dong)至這(zhe)一(yi)天(tian),陽光幾(ji)乎直(zhi)(zhi)射南回歸(gui)線,我(wo)們北(bei)半球(qiu)(qiu)白(bai)晝最(zui)(zui)短,黑(hei)夜最(zui)(zui)長(chang),開始(shi)進(jin)入(ru)數九寒天(tian)。天(tian)文學上規定(ding)這(zhe)一(yi)天(tian)是(shi)(shi)北(bei)半球(qiu)(qiu)冬(dong)(dong)季的(de)開始(shi)。而冬(dong)(dong)至以后(hou),陽光直(zhi)(zhi)射位置逐漸向北(bei)移動,北(bei)半球(qiu)(qiu)的(de)白(bai)天(tian)就逐漸長(chang)了(le)。冬(dong)(dong)至是(shi)(shi)二十(shi)四節(jie)氣中(zhong)最(zui)(zui)重要的(de)一(yi)個節(jie)氣,也是(shi)(shi)古人(ren)認為一(yi)年中(zhong)最(zui)(zui)重要的(de)一(yi)天(tian)。古人(ren)用(yong)日(ri)圭測日(ri)影,很早便(bian)發現(xian)這(zhe)一(yi)天(tian)日(ri)影最(zui)(zui)長(chang),所(suo)(suo)以以這(zhe)一(yi)天(tian)為始(shi)最(zui)(zui)容(rong)易校正,所(suo)(suo)以古人(ren)將(jiang)冬(dong)(dong)至日(ri)立為一(yi)年之始(shi)。我(wo)國周朝(chao)(chao)開始(shi)以冬(dong)(dong)至所(suo)(suo)在月(yue)(yue)(yue)為一(yi)月(yue)(yue)(yue),正月(yue)(yue)(yue)初一(yi),指的(de)便(bian)是(shi)(shi)當月(yue)(yue)(yue)新月(yue)(yue)(yue)初生(sheng)的(de)這(zhe)天(tian),為一(yi)年的(de)開始(shi)。周朝(chao)(chao)當時(shi)已(yi)采用(yong)地支記月(yue)(yue)(yue),冬(dong)(dong)至所(suo)(suo)在的(de)月(yue)(yue)(yue)份為子月(yue)(yue)(yue),即現(xian)今農歷(li)的(de)十(shi)一(yi)月(yue)(yue)(yue)。
小寒:小寒(han)(han)時值公歷的1月5日(ri)前后。小寒(han)(han)以(yi)后,開(kai)始(shi)進入寒(han)(han)冷季節(jie)。冷氣積久而寒(han)(han),此(ci)時天氣寒(han)(han)冷但還沒有到(dao)達極點(dian),所(suo)以(yi)稱(cheng)為小寒(han)(han)。隆冬“三九”基本(ben)上處在(zai)本(ben)節(jie)氣內,在(zai)氣象記錄中,是(shi)(shi)一(yi)年(nian)(nian)中最冷的天氣,有小寒(han)(han)勝(sheng)大(da)(da)寒(han)(han)之說。因溫度低下,往往小麥、果樹、窖藏瓜菜及畜禽遭受凍(dong)害。“小寒(han)(han)、大(da)(da)寒(han)(han)凍(dong)作一(yi)團”“街上走走,金(jin)錢丟手(shou)”以(yi)上兩句都是(shi)(shi)形容這一(yi)季節(jie)寒(han)(han)冷的古代(dai)民間諺(yan)語。在(zai)農(nong)業社會里(li),此(ci)時農(nong)事已了(le)(le),收成已畢,家家戶戶都開(kai)始(shi)置辦年(nian)(nian)貨,準備過新年(nian)(nian)了(le)(le)。小寒(han)(han)節(jie)日(ri)霧,來年(nian)(nian)五谷富(fu)。寒(han)(han)湖過后天轉晴,一(yi)朝西風(feng)有霜(shuang)成。(臘月)初一(yi)東風(feng)六(liu)畜災,倘逢(feng)大(da)(da)雪旱年(nian)(nian),若(ruo)然此(ci)是(shi)(shi)天氣發(fa),下歲農(nong)夫大(da)(da)發(fa)財。
大寒:大(da)寒(han)時值公(gong)歷的1月20日前后(hou)。此時天氣(qi)(qi)寒(han)冷至極(ji),所(suo)以(yi)稱為大(da)寒(han)。大(da)寒(han)是一年(nian)(nian)中最后(hou)一個節(jie)氣(qi)(qi),正處于四(si)九和五九中,往往比一上(shang)個節(jie)氣(qi)(qi)有所(suo)回升,我國長江流域(yu)一帶平均氣(qi)(qi)溫(wen)零(ling)下2-4℃,最低氣(qi)(qi)溫(wen)一般零(ling)下14~17℃,極(ji)端最低氣(qi)(qi)溫(wen)可降至零(ling)下20℃。最大(da)凍(dong)土深(shen)度30~40厘(li)米,為全年(nian)(nian)凍(dong)土最深(shen)的節(jie)氣(qi)(qi)。有些年(nian)(nian)份(fen),全年(nian)(nian)最低氣(qi)(qi)溫(wen)會出現在本節(jie)氣(qi)(qi)中。