SalatTime from authentic source http://www.salaattime.com/
Please compare also from other sources below:
Standard and Hanafi methds are same except for Asar prayer
Click here for most of the districts of Bangladesh Umm Al Qura( Kabba ) method- Time table given for 2018 in two pages as image.
Click here for salat time for all districts of Bangladesh.
Prayer Time- World
Prayer Time Bangladesh
Dhaka / Kabba method1 and 2
Rajshahi Kabba method 1, 2
Rangpur Kabba method 1, 2
Chittagong Kabba method 1, 2
Barisal /Kabba method 1, 2
Sylhet Division Kabba method1 , 2
Article (Bangla) নামাজের সময়সূচী: ঢাকা বনাম অন্যান্য জিলার মিল-অমিল
We can't prefixed salat time of all districts of Bangladesh in relation to Dhaka's time because differences are not same in all months and in all salats. Picture on the right showing position of the lines between day and night in different months (January, April, June and September). Places over or near the marked (light blue) line under go sunset or sunrise at the same time. Dark area denoting night time and bright area for day time.