GMT - ndechokuti pamusoro nguva? How kuverenga nguva kubva Greenwich

Kusvikira zvino, kombiyuta Kurongwa Windows nguva mapazi chinorondedzerwa nenzira Acronym GMT. Chii ichi uye sei kurondedzera kuna ano hurongwa Kufambisa kuti UTC nguva? Izvi zvichakurukurwa munyaya nyaya yedu. Sarudza nguva iri nzvimbo pfungwa panyaya Greenwich havagoni vose. Asi tichaedza kujekesa nyaya iyi mururimi dzakakurumbira. Chokutanga, unofanira kupindura mubvunzo: "? GMT - chii ichi" Sezvo chidimbu ichi inomirira?

British snobbery

In olden nguva chigadzirirwe masikati. Kana zuva yaiva kwayo pamusoro-soro, kureva, runosvika soro zvaibvira pfungwa pamusoro zvinoonekwa kuuya, zvaifungwa kuti ichi - masikati. With kukura dzakawanda dzaishandiswa kwaidiwa kuronga nguva imwe chete ino. bhuku rino pfungwa akava mukuru Meridian. Nepano yeHumambo Observatory muna Greenwich mumusha, kwete kure London.

Saka, GMT chidimbu anomirira Greenwich Aireva Time. All nzvimbo dziri kumavirira Greenwich, shure nguva yake, uye avo vari chiri kumabvazuva, mberi kwake. Pane imwe Meridian inokosha pamusoro pechiso Earth. Izvi Date Line. Nzvimbo yaiva kumabvazuva kwayo, anorarama (ari truest chezwi) nezuro. Muna 1972, mumwe chidimbu itsva UTC yakatsiva GMT. Chii kuti ramangwana? Zvarinomirira "Nguva Universal kwakarongeka".

Time zvikamu

In russkoyazychnoy metrology chidimbu kushandiswa pachinzvimbo GBS GMT. Chii ichocho? Decrypted tsamba se "avhareji nenzvimbo nguva." Asi, zvakare, kubva Greenwich, hatigoni kutiza. Pashure pezvose, nyika yose unotara pasi maawa mutungamiriri Meridian. Kubata nguva uye kuti zvakarurama kuona nguva dzose pfungwa iri panyika, unofanira kuziva daro rayo kubva Greenwich kumabvazuva kana kumavirira. Time A kwakarongeka Universal (nemamwe mazwi UTC) dzinoratidza akawanda masikati dzimwe nyika (kana zvikamu zvayo). Kana GMT - nguva rusina enyika miganhu, nguva munyika dzine anoshanda kune yose mamiriro kazhinji (kana kwete zvikuru rinoenderera kumavirira kusvikira kumabvazuva). Saka, UTC + 0 - kwete pari mu ari Greenwich Observatory .. Zvino razero Meridian, uye muna UK uye Ireland, uyewo Iceland, Portugal, Morocco, etc. Asi vyschityvanie maawa TCB gadziriro iri kuitwa maererano ichocho sezvo kuna GMT.

Daylight Saving Time

Munyika vavete yepamusoro latitudes, kureba chemasikati dzinosiyana-siyana zvichienderana zvikuru mumwaka. Naizvozvo Nordic nyika kazhinji kuenda nguva yezhizha. Vagari venyika idzi zvakachinja nenguva yeko dzinoendesa awa rimwe. Zvinotora nzvimbo yekupedzisira Svondo yaMarch. The UK iri kuiswawo pakati pemazita enyika tichiita zhizha Countdown wachi. Asi masikati wechokwadi kubva April kusvika October pane zvino awa rezuva, nokuti Greenwich Ngaave Time hakubvi pane mwaka.

Countries kuti nhema pedyo neequator, apo kwaedza maawa chero nguva yegore iri vanenge gumi maawa, kwete zvomwaka kuizunguza miseve. Vanorarama zvachose munguva yechando (true) nguva. On hwaro ichi, uye Russian Federation vakasarudza kutamira museve pagore mberi awa rimwe. Nenzira, imwe nyika, avete dzakakwirira latitudes, akaramba kutamira yezhizha. Uyu Iceland. chitsuwa rudzi The anogara Greenwich Ngaave Time (GMT + 0). Kunyepa anenge ari chete Meridian iri UK uye Ireland munguva yechando vari UTC + 0, uye muzhizha - in UTC + 1.

Ndezvipi UTC uye GMT

Time - vanzwisise kuti rudo zvakarurama. Kwakarongeka chiito dispatcher mabasa vari kure nomumwe dzimwe pfungwa Nyika, zvinokosha kuziva kuti vangani ikozvino maawa, maminiti nemasekonzi. Uyewo, kudiwa kwakarongeka nguva uye broadcasters vane frequencies zvakasiyana. UTC Panotoda mumwe mureza wekushandisa uye zvinangwa yesayenzi. Mumazana namapfumbamwe remakore, British Navy vafambisi vezvikepe famba munyanza wenyika, nguva yakanga akaverenga maererano GMT. Kutamira kumavirira Greenwich, vakabvisa wachi, uye kumabvazuva - padded. Maererano nenheyo iyi zvino panyika rakakamurwa nguva zvikamu. Somuenzaniso, Vladivostochnoe nguva unoenderana GMT + 11 Georgian - GMT + 4, Hawaii-Aleutian - GMT-10, Moscow - GMT + 4, Eastern Standard Time (rinoshandiswa kuNew York City uye yakabatana Atlantic Ocean US and Canada, uye sezvaakaita Jamaica, Panama, Haiti, Bahamas) - GMT-5.