Heure à Kumagaya
05:26:30
Lever du soleil: 04:30:04 
Coucher de soleil: 18:48:3204:26:30
23:26:30
17:26:30
01:56:30
14:26:30
04:26:30
01:26:30
04:26:30
04:26:30
01:56:30
23:26:30
04:26:30
02:26:30
05:26:30
17:26:30
Décalage horaire entre Kumagaya et les grandes villes
05:26:30
-13
16:26:30
+1
+1
+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