Czas Kumagaya
06:43:30
Wschód słońca: 06:50:20 
Zachód słońca: 16:56:5405:43:30
00:43:30
18:43:30
03:13:30
15:43:30
05:43:30
02:43:30
05:43:30
05:43:30
03:13:30
00:43:30
05:43:30
03:43:30
06:43:30
18:43:30
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
-8
-9
-9
-12
-12
-12
-12