Heure à Kumagaya
02:35:25
Lever du soleil: 05:46:36 
Coucher de soleil: 17:11:1701:35:25
20:35:25
14:35:25
23:05:25
11:35:25
01:35:25
22:35:25
01:35:25
01:35:25
23:05:25
20:35:25
01:35:25
23:35:25
02:35:25
14:35:25
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
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-9
-12
-12
-12
-12