Ōkawa時間
11:55:41
日出: 07:21:39 
日落: 17:34:3510:55:41
05:55:41
23:55:41
08:25:41
20:55:41
10:55:41
07:55:41
10:55:41
10:55:41
08:25:41
05:55:41
10:55:41
08:55:41
11:55:41
23:55:41
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