Ōkawa時間
21:07:42
日出: 06:50:22 
日落: 18:12:2720:07:42
15:07:42
09:07:42
17:37:42
06:07:42
20:07:42
17:07:42
20:07:42
20:07:42
17:37:42
15:07:42
20:07:42
18:07:42
21:07:42
09:07:42
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
-9
-9
-9
-12
-12
-12
-12