Ōkawa時間
21:38:50
日出: 06:52:40 
日落: 18:10:4620:38:50
15:38:50
09:38:50
18:08:50
06:38:50
20:38:50
17:38:50
20:38:50
20:38:50
18:08:50
15:38:50
20:38:50
18:38:50
21:38:50
09:38:50
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
-9
-9
-9
-12
-12
-12
-12