Richmond時間からGoderich時間への変換
19:17:00
-10
09:17:00
+0
+0
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-4
-4
-4
-4
-5
-5
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-8
-8
-8
-8
-9
-9
-9
-9
-9
-9
-10