Ōkawa時間
23:51:22
日出: 06:52:40 
日落: 18:10:4622:51:22
17:51:22
11:51:22
20:21:22
08:51:22
22:51:22
19:51:22
22:51:22
22:51:22
20:21:22
17:51:22
22:51:22
20:51:22
23:51:22
11:51:22
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