Saint Petersburg時間からSaint-Constant時間への変換
17:30:35
-7
10:30:35
+7
+7
+6
+6
+6
+6
+6
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5
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+5
+5
+5
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+5
+5
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+5
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+5
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+5
+5
+5
+5
+5
+4
+4
+4
+3.5
+3
+3
+3
+3
+2.5
+2.5
+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
+0
+0
-1
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-3
-6
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-6
-7
-7
-7
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-9
-10