Bor 시간을 Chattogram 시간으로 변환
19:57:33
+3
22:57:33
+6
+6
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+2
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+1
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-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-3
-3
-6
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-6
-6
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-8
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-8
-9
-11