Arusha時間からSingapore時間への変換
11:21:42
+5
16:21:42
+7
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+6
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+5
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+2
+2
+1.5
+1
+0.5
+0
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-1
-1
-1
-1
-2
-2
-2
-2
-2
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-6
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