Kostroma 시간을 Niagara Falls 시간으로 변환
20:53:09
-7
13:53:09
+6
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+2
+2
+1.5
+1
+0.5
+0
+0
+0
+0
+0
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+0
-1
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-1
-2
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-2
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-2
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-6
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