Post duration during Ramazan in the world cities

This year sacred for all Muslims month Ramazan will last from March 23 to April 21. At this time they need to hold a post - not to drink and is not from dawn to a decline. Thus, as noticed a statistical portal of Statista, not all fasting are put in equal conditions, transfers Day.Az with reference to newspaper "Kommersant". After all duration of light day differs depending on a geographical position. Those who lives in northern latitudes, should abstain from food more long than those who is closer to the equator or in the Southern hemisphere. For example, in the same day to Norwegian Oslo...