Ōkawa時間
00:25:29
日出: 07:21:07 
日落: 17:36:2723:25:29
18:25:29
12:25:29
20:55:29
09:25:29
23:25:29
20:25:29
23:25:29
23:25:29
20:55:29
18:25:29
23:25:29
21:25:29
00:25:29
12:25:29
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