Ōkawa時間
09:25:10
日出: 07:22:14 
日落: 17:31:5108:25:10
03:25:10
21:25:10
05:55:10
18:25:10
08:25:10
05:25:10
08:25:10
08:25:10
05:55:10
03:25:10
08:25:10
06:25:10
09:25:10
21:25:10
Ōkawa與主要城市的時差
+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