See the Date Time in real time in the main cities of each time-schedule. (It is necessary that the time on your computer is correct).

GMTVancouverSan FranciscoSeattle
Los AngelesDenverMexico CityHouston
MinneapolisNew OrleansChicagoMontgomery
IndianapolisAtlantaDetroitMiami
Washington DCPhiladelphiaNew YorkMontreal
BostonBuenos AiresSao PauloRio De Janeiro
LisbonDublinLondonMadrid
BarcelonaParisBrusselsAmsterdam
FrankfurtRomeBerlinPrague
ViennaStockholmAthensHelsinki
MinskIstanbulCairoJerusalem
BeirutMoscowBaghdadDubai
BangkokJakartaHong KongBeijing
ShanghaiSeoulTokyoMelbourne
SydneyBrisbaneVladivostokKamchatka