Hadewa Universal Lokaci: don me kuma yadda aka gabatar?

Proper lokaci yana da muhimmanci sosai a duniya a yau, a lokacin da kari daga rai ya karu da yawa. Amma da wahala ne gaban daban-daban lokacin da zones - a gaskiya lokacin da akayi tare da mutane daga sauran sassa na duniya yana da muhimmanci a sami wasu irin na kowa nasa tarihin. Don yin wannan, kuma ya kamata a hadewa duniya lokaci. Amma ta yaya mutane zo da irin wannan tsarin?

Abin da aka hadewa Universal Time (UTC)?

A duniya ta yau da mafi daraja versatility - guda kudin, harshe, da dai sauransu Amma guda Shiyyar lokaci, shiga kawai zai yiwu ba, saboda a lokacin da daya yammancin duniya na rana, a cikin wasu - .. Night. Bugu da kari, akwai wani abin da ake kira gida hasken rana lokacin, zuwa a layin da hanyar da fitilu matsawa fadin sama daga gabas zuwa yamma. Amma lokacin da zones dole ne a wasu hanya da alaka da juna, da wasu tunani batu. Don yin wannan, kuma akwai UTC - hadewa Universal Lokaci. Daga gare shi tare da bayyana, da kafa a yankin ƙasarta nan kowane lokaci. Amma ta yaya irin wannan tsarin?

A tarihin gabatarwar guda misali

Da farko Adam kayyade lokaci na rana. A lokacin da shi ya wuce ta tsororuwar, da aka soma a rana. Shi ne a kan wannan manufa da kuma aiki sundial. Amma wannan hanya ba sosai m, a Bugu da kari, da ci gaban al'umma bukatar mafi girma versatility. A tsawon lokaci, kamar yadda sabuwar ƙasar, da kuma mutane gane cewa kana bukatar ka shigar da lokacin da zones da kuma ɗaura su tare da fari ga dalilai na kewayawa, da aka kirkiro GSM tsarin (Greenwich nufi Lokaci), don haka mai suna saboda gaskiyar cewa Meridian suka buɗe, da wanda kirga da lokaci ya wuce ta cikin Observatory a Greenwich.

Af, kafin gabatarwar wannan misali a cikin kasashe daban-daban su yi amfani da sifili da maki. Matsayin mai mulkin, da talakawan meridians a wannan yanayin, sun shige ta da gida Observatory a Faransa - Paris, Rasha - .. The Pulkovo, da dai sauransu Amma da rashin guda misali ya m. Kuma a cikin 1884 domin Greenwich Meridian Zero aka soma. A cewar shi, ba kawai aiki tare Watches, amma kuma ƙayyade da Gwargwadon tsarawa - longitude.

Yanzu wannan ne ake kira da misali UTC, ko hadewa Universal Lokaci. Ba kamar GMT The, shi ne idan aka kwatanta da atomic Agogon, da kuma kowane 2-3 shekaru domin gyara da sikelin a cikin nau'i na "rara" na biyu ne. Wannan ne yake aikata domin ya kawo ku lokaci zuwa astronomical.

Sa alama lokacin da zones

Lokaci a Greenwich Meridian aka kidaya. Domin sauki, shi ake cewa wani bambancin da shi, da cewa shi ne UTC + 1, UTC-8, da sauransu. D. An ba ko da yaushe yi amfani da meridians, kamar yadda a wasu lokuta shi zai zama da ɗan m for bayãnin hukuncin lokaci zones. Wannan, ba zato ba tsammani, shi ne dalilin da ga wasu da ban sha'awa sosai fasali na lokaci a kasashe daban-daban. Amma wannan za a tattauna daga baya.

da yin amfani da

To, a lõkacin da ya bayyana cewa irin wannan co-ordinated, yana da daraja don tattauna yadda aka yi amfani da zamani duniya. Da farko, da sifili Meridian ne har yanzu dacewa ga kewayawa - biyu a cikin teku da kuma a cikin iska. Na biyu, a duniya, ya bar ta bugu a kan bukatar wani na kowa lokaci tunani. Kiran taro tsakanin mutane located in sassa daban daban na duniya, ta nada UTC.

Af, a wasu yankunan, lokacin da zones kada a zahiri bai wanzu. Muna magana ne game da Arctic da Antarctic, inda lokaci ya yanaye yarda for UTC + 0. A gaskiya ma, masu bincike, a iyakacin duniya tashoshin ne ƙidãya sa'o'i kamar yadda suka kasance dadi. Haka ya shafi cikin 'yan saman jannati aiki a kan Duniya ta falaki.

ban sha'awa facts

Tsarin ciki har da hadewa Universal Lokaci, aka kafa a dogon lokaci, tare da sakamakon cewa akwai wasu m fasali.

• Babu hukuma raguwa UTC Mabudi. A shekarar 1970, a lokacin da wannan tuta da aka gabatar, ya tattauna zabin TUC (Temps Universel Coordonné) da kuma yanke (hadewa Universal Time). A sakamakon haka, an yanke shawarar dakatar a tsaka tsaki UTC.
• Novosibirsk da aka kafa a kan biyu bankunan na kogin, wanda gudanar daidai a kan Meridian hour. Kuma na dogon lokaci a cikin birni akwai biyu lokaci. Kafin gina a shekarar 1955 na farko gada da shi ba ya haifar da rashin jin daɗi musamman, saboda biyu sassa na Novosibirsk wuya aka hade da juna. Amma a shekarar 1958, birnin ya je guda lokaci.
• Azancin, babbar bambanci a lokaci tsakanin maki biyu na duniya ya zama 24 hours. Amma a gaskiya akwai 26 lokacin da zones. A cikin Pacific, mun gwada kusa da juna akwai biyu tsibirin States: American Samoa tarin tsiburai Line. Lokaci bambanci tsakanin su ne 25 hours. Haka ya faru saboda Line Islands, baya mallakar da UK, auna lokaci daga Australian, kuma suka jũya UTC + 14. A Samoa UTC-11 ayyukan daidai da bambanci daga nahiyar Amirka.
• A wasu sassa na Australia wani lokacin bayyana a kwance lokaci zones. Wannan shi ne saboda gaskiyar cewa ba dukan jihohi suna motsi a cikin hunturu lokaci.
• Ba ko da yaushe bambanci da Greenwich ne daidai da yawan hours. A Nepal abubuwa UTC + 5: 45, a wasu Australian birane 8: 45, da kuma tarin tsiburai na Chatham, New Zealand + 12: 45.