การแปลงเวลาIbetoเป็นเวลาDover
14:20:40
-5
09:20:40
+7
+7
+7
+7
+7
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+7
+7
+7
+7
+7
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+7
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+4
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+3.5
+3
+2.5
+2
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+1
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+0
+0
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-1
-4
-4
-4
-4
-5
-5
-6
-6
-7
-8