Ōkawa時間
21:40:29
日出: 07:22:14 
日落: 17:31:5120:40:29
15:40:29
09:40:29
18:10:29
06:40:29
20:40:29
17:40:29
20:40:29
20:40:29
18:10:29
15:40:29
20:40:29
18:40:29
21:40:29
09:40:29
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