It is not allowed to break the fast before the start of the night as we read in Quran (ثم أتموا الصيام إلى الليل ) (And complete fasting till night). This is the Quranic order which can never be challenged. This is for all people who have day and night in 24 hours.
If you live in a place where there is no day and night in 24 hours, then you need to either leave the place to another place where there is day and night in every 24 hours or to follow the timings of Salah of the nearest place to you. There is question at all to follow the timings of places which very far away from your place like Makkah, Madina, Najaf, Karbala etc.