Czas Kumagaya
02:57:16
Wschód słońca: 06:08:57 
Zachód słońca: 17:39:2701:57:16
20:57:16
14:57:16
23:27:16
11:57:16
01:57:16
22:57:16
01:57:16
01:57:16
23:27:16
20:57:16
01:57:16
23:57:16
02:57:16
14:57:16
Różnica czasu między Kumagaya a większymi miastami
+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
-9
-9
-9
-12
-12
-12
-12