Heure à Ōkawa
21:40:09
Lever du soleil: 07:22:34 
Coucher de soleil: 17:26:3920:40:09
15:40:09
09:40:09
18:10:09
06:40:09
20:40:09
17:40:09
20:40:09
20:40:09
18:10:09
15:40:09
20:40:09
18:40:09
21:40:09
09:40:09
Décalage horaire entre Ōkawa et les grandes villes
+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