Isuduwaha Waqtiga Caalamiga

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(Waxaa laga soo toosiyay UTC-4)
maabka gobolada isku wakhtiga ah

Isuduwaha Waqtiga Caalamiga, UTC (Af-Talyaani: Tempo coordinato universale, Af-Ingriis: Coordinated Universal Time) waa halbeegga ugu sareeya ee lagu cabiro deegaanada wadaaga saacada. sidoo kale waxaa loo yaqaan waqtiga madaniga ama rayadka UTC.