Ōkawaの時間
00:30:10
日の出: 07:22:01 
日没: 17:22:4223:30:10
18:30:10
12:30:10
21:00:10
09:30:10
23:30:10
20:30:10
23:30:10
23:30:10
21:00:10
18:30:10
23:30:10
21:30:10
00:30:10
12:30:10
Ōkawaと主要都市の時差
+2
+2
+0
+0
+0
+0
+0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-2
-2
-2
-3
-3
-3
-3
-4
-4
-5
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-9
-9
-12
-12
-12
-12