Ōkawa時間
18:02:59
日出: 07:22:14 
日落: 17:31:5117:02:59
12:02:59
06:02:59
14:32:59
03:02:59
17:02:59
14:02:59
17:02:59
17:02:59
14:32:59
12:02:59
17:02:59
15:02:59
18:02:59
06:02:59
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