Ōkawa時間
21:40:45
日出: 07:22:22 
日落: 17:30:5820:40:45
15:40:45
09:40:45
18:10:45
06:40:45
20:40:45
17:40:45
20:40:45
20:40:45
18:10:45
15:40:45
20:40:45
18:40:45
21:40:45
09:40:45
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