Ōkawa時間
11:41:04
日出: 06:50:22 
日落: 18:12:2710:41:04
05:41:04
23:41:04
08:11:04
20:41:04
10:41:04
07:41:04
10:41:04
10:41:04
08:11:04
05:41:04
10:41:04
08:41:04
11:41:04
23:41:04
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