Ua ntej xyoo 1972, lub sijhawm no hu ua Greenwich Mean Time (GMT) tab sis tam sim no hu ua Coordinated Universal Time lossis Universal Time Coordinated (UTC). Nws yog lub sijhawm sib koom ua ke, tswj hwm los ntawm Bureau International des Poids thiab Mesures (BIPM). Nws tseem hu ua "Z time" lossis "Zulu Time".
UTC thiab GMT puas txawv?
Greenwich Mean Time (GMT) feem ntau sib pauv lossis tsis meej pem nrog Lub Sijhawm Sib Koom Tes (UTC). … Txawm hais tias GMT thiab UTC sib koom tib lub sijhawm tam sim no hauv kev xyaum, muaj qhov sib txawv ntawm ob: GMT yog lub sijhawm siv nyob rau qee lub tebchaws European thiab African.
Puas yog GMT 4 thiab UTC tib yam?
GMT-4 yog 4 teev tom qab Greenwich Mean Time (GMT). Lub GMT / UTC rho tawm 4 teev offset yog siv los ntawm ob peb lub teb chaws hauv Caribbean, tsis muaj kev hloov pauv txhua xyoo, vim tsis muaj Hnub Ci Txuag Sijhawm siv. Lub Sijhawm Sab Hnub Tuaj ntawm Tebchaws Meskas thiab Canada tsuas muaj -4 qhov kev pabcuam thaum Hnub Teeb Txuag Sijhawm siv.
Kuv yuav tsum siv UTC GMT?
UTC kuj tseem nyob ze dua raws li lub sijhawm ua haujlwm (piv txwv li yog ze dua nyob rau hauv txoj kab nrog "qhov tseeb" lub sijhawm raws li lub ntiaj teb kev sib hloov). Tab sis tshwj tsis yog tias koj lub software xav tau kev suav thib ob, nws yuav tsum tsis txhob ua qhov txawv txawm tias koj siv GMT lossis UTC. Txawm li cas los xij, tej zaum koj yuav xav txog qhov twg los tso rau cov neeg siv.
UTC sawv cev rau dab tsi?
Ua ntej xyoo 1972, qhov noLub sij hawm hu ua Greenwich Mean Time (GMT) tab sis tam sim no hu ua Coordinated Universal Time los yog Universal Time Coordinated (UTC). Nws yog lub sijhawm sib koom ua ke, tswj hwm los ntawm Bureau International des Poids thiab Mesures (BIPM). Nws tseem hu ua "Z time" lossis "Zulu Time".
