Ōkawa時間
20:29:38
日出: 07:22:22 
日落: 17:30:5819:29:38
14:29:38
08:29:38
16:59:38
05:29:38
19:29:38
16:29:38
19:29:38
19:29:38
16:59:38
14:29:38
19:29:38
17:29:38
20:29:38
08:29:38
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