Ōkawa時間
01:39:46
日出: 07:22:04 
日落: 17:32:4500:39:46
19:39:46
13:39:46
22:09:46
10:39:46
00:39:46
21:39:46
00:39:46
00:39:46
22:09:46
19:39:46
00:39:46
22:39:46
01:39:46
13:39:46
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