T’ongch’ŏn-ŭp時間からChattogram時間への変換
21:09:10
-3
18:09:10
+1
+1
+0
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+0
-1
-1
-1
-1
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-1
-1
-1
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-1
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-1
-1
-1
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-1
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-1
-1
-1
-1
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-1
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-1
-1
-1
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-12
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-12