Saint Petersburg時間からDuayaw-Nkwanta時間への変換
18:45:36
-3
15:45:36
+7
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+6
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+2.5
+2
+2
+1.5
+1
+0.5
+0
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+0
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-1
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-1
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-1
-1
-2
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-3
-6
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