Heure à Kumagaya
16:57:49
Lever du soleil: 05:50:19 
Coucher de soleil: 17:05:3615:57:49
10:57:49
04:57:49
13:27:49
01:57:49
15:57:49
12:57:49
15:57:49
15:57:49
13:27:49
10:57:49
15:57:49
13:57:49
16:57:49
04:57:49
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