Ōkawa時間
22:42:18
日出: 06:52:40 
日落: 18:10:4621:42:18
16:42:18
10:42:18
19:12:18
07:42:18
21:42:18
18:42:18
21:42:18
21:42:18
19:12:18
16:42:18
21:42:18
19:42:18
22:42:18
10:42:18
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