Heure à Kumagaya
09:53:31
Lever du soleil: 06:40:41 
Coucher de soleil: 16:27:4908:53:31
03:53:31
21:53:31
06:23:31
18:53:31
08:53:31
05:53:31
08:53:31
08:53:31
06:23:31
03:53:31
08:53:31
06:53:31
09:53:31
21:53:31
Décalage horaire entre Kumagaya 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