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How to call dubai
Check the time difference.
Dubai operates on gulf standard time, which is utc + 4. Its current local time can easily be checked online, so you can be sure to call during business hours, or while residents are awake.
Dubai is four hours ahead of london, and nine hours ahead of new york. It does not observe daylight savings time, so during summer it is three hours ahead of london and eight hours ahead of new york.