GMT - shi ne cewa a kan lokaci? Yadda yin lissafi da lokaci daga Greenwich

Har yanzu, da kwamfuta saituna Windows Shiyyar lokaci ne a tsare ta acronym GMT. Menene wannan kuma yadda za a dangantaka da zamani tsarin na daidaituwa na UTC lokaci? Wannan za a tattauna a cikin labarin. Ƙayyade da lokaci a cikin location batu game da Greenwich iya ba kowa da kowa. Amma za mu yi kokarin bayyana wannan batu a cikin m harshe. Da farko, kana bukatar ka amsa tambaya: "GMT - abin da wannan yake?" Kamar yadda wannan raguwa tsaye ga?

Birtaniya snobbery

A olden lokaci saita ga tsakar rana. A lokacin da rana da aka at ta Zenith, wato, ya kai ta mafi girma zai yiwu batu a bayyane sararin sama, an yi tunanin cewa wannan - tsakar rana. Tare da ci gaban harkokin kasuwanci ya zama dole don tsara lokacin a guda tsarin. Wannan tunani batu ya zama firaministan Meridian. Yana wuce ta Royal Observatory a Greenwich kauye, ba da nisa daga London.

Saboda haka, GMT raguwa tsaye ga Greenwich nufi Lokaci. Duk wuraren da cewa suna located zuwa yamma na Greenwich, a baya ya lokaci, kuma wadanda cewa suna located zuwa gabas, riga shi gaba. Akwai wani muhimmanci Meridian a farfajiya na Duniya. Wannan Kwanan Line. A yankin dake zuwa gabas da shi, rayuwa (a mafi gaskiyan ma'anarta) jiya. A shekarar 1972, wani sabon raguwa UTC ya maye gurbin GMT. Mene ne cewa nan gaba? Yana tsaye ga "Universal Lokaci hadewa".

lokacin da zones

A russkoyazychnoy metrology raguwa amfani maimakon GBS GMT. Menene wannan? Decrypted haruffa kamar yadda "talakawan Gwargwadon lokaci." Amma, a sake, daga Greenwich, ba za mu iya kubuta ba. Bayan duk, dukan duniya ne kirgawa saukar da sa'o'i da Firayim Meridian. Don zama m kuma a daidai ƙayyade lokaci domin kowane batu a duniya, kana bukatar ka san ta nesa daga Greenwich zuwa gabas ko yamma ba. A hadewa Universal Time (a cikin wasu kalmomi UTC) nuna mafi yawa tsakar rana a wasu kasashe (ko sassa daga gare ta). Idan GMT - lokacin da ya sani ba siyasa iyaka, lokacin da zones shafi da daukacin jihar ne sau da yawa (idan ba ƙwarai kara daga yamma zuwa gabas). Saboda haka, UTC + 0 - ba a halin yanzu a cikin Greenwich Observatory .. Kuma a sifili Meridian, kuma a Birtaniya da kuma Ireland, kazalika da Iceland, Portugal, Morocco, da dai sauransu. Amma vyschityvanie sa'o'i TCB tsarin da aka gudanar bisa ga wannan manufa a matsayin to GMT.

Hasken Rana Ceton Lokaci

A kasashen da karya a cikin mafi girma latitudes, da tsawon hasken rana dabam ƙwarai dangane da kakar. Saboda haka Nordic kasashen sau da yawa zuwa lokacin rani lokaci. Mazauna wadannan kasashe canja agogo tura sa'a daya. Yana faruwa a ranar karshe Lahadi na Maris. The UK kuma hada a cikin jerin kasashen da aikatawa bazara Countdown kowane lokaci. Amma da gaskiya tsakar rana daga watan Afrilu zuwa Oktoba akwai sa'an nan sa'a guda daga yini, saboda Greenwich nufi Lokaci ba ya dogara ne a kan kakar.

Kasashen cewa karya kusa ekweita, inda hasken rana hours a kowane lokaci na shekara ne kamar goma sha biyu hours, ba seasonally matsawa kibiyoyi. Suna zaune har abada a cikin hunturu (gaskiya) lokaci. A wannan hasashe, da kuma Rasha Federation yanke shawarar ba don matsawa da kibiya a shekara gaba daya hour. Af, wata kasa, kwance a babban latitudes, ki matsawa zuwa lokacin rani. Wannan shi ne Iceland. Tsibirin al'umma na zaune a kan Greenwich nufi Time (GMT + 0). Kwance kamar a kan wannan Meridian na Birtaniya da kuma Ireland a cikin hunturu ne a cikin UTC + 0, kuma a lokacin rani - a cikin UTC + 1.

Mene ne UTC da GMT

Lokaci - wani ra'ayi cewa m daidaici. Hadewa mataki dispatcher ayyuka da cewa su ne m daga juna da maki na Duniya, wajibi ne a san yadda za yawa yanzu awa, minti da sakan. Har ila yau, da bukatar hadewa lokaci da kuma shirye shiryen da daban-daban mitoci. UTC wajibi ne a kafa wani misali ga kewayawa da na kimiyya dalilai. Cikin karni na sha tara, Birtaniya Navy matuƙan wanda yawon duniya ta teku, lokacin da aka lasafta bisa ga GMT. Motsi zuwa yamma na Greenwich, suka kawar da kowane lokaci, kuma zuwa gabas - padded. Bisa wannan ka'ida yanzu da duniya ne zuwa kashi lokaci zones. Alal misali, Vladivostochnoe lokaci yayi dace da GMT + 11 Jojiyanci - GMT + 4, Hawaii-Aleutian - GMT-10, Moscow - GMT + 4, Eastern Standard Time (da shi da ake amfani da New York City da kuma m zuwa cikin tekun Atlantic Amurka da kuma Kanada, da kuma kamar yadda a Jamaica, Panama, Haiti, Bahamas) - GMT-5.