Wau時間からSt. Johns時間への変換
09:10:12
-7
02:10:12
+7
+7
+7
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+7
+6
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+6
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+5
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+5
+4.5
+4
+4
+4
+4
+3.5
+3.5
+3.5
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+3.5
+3.5
+3.5
+3.5
+3
+3
+2.5
+2
+1.5
+1
+1
+1
+1
+1
+1
+1
+0
+0
+0
+0
-1
-1
-1
-1
-1
-1
-1
-2
-2
-5
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-6
-7
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-10