Ōkawa時間
23:28:09
日出: 07:21:52 
日落: 17:33:4022:28:09
17:28:09
11:28:09
19:58:09
08:28:09
22:28:09
19:28:09
22:28:09
22:28:09
19:58:09
17:28:09
22:28:09
20:28:09
23:28:09
11:28:09
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