Old City時間からLos Angeles時間への変換
07:19:11
-10
21:19:11
+7
+7
+6
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+5
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+4
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+3.5
+3
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+3
+2.5
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+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2
+2
+1.5
+1
+0.5
+0
+0
+0
+0
+0
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+0
-1
-1
-1
-1
-2
-2
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-3
-6
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