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