Istanbul時間からSaint John’s時間への変換
12:50:27
-7
05:50:27
+7
+7
+6
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+5
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+2
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+1
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-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-3
-6
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-6
-7
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-7
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-10