Ōkawa時間
16:01:40
日出: 07:21:24 
日落: 17:35:3115:01:40
10:01:40
04:01:40
12:31:40
01:01:40
15:01:40
12:01:40
15:01:40
15:01:40
12:31:40
10:01:40
15:01:40
13:01:40
16:01:40
04:01:40
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