Heure à Ryūgasaki
04:19:17
Lever du soleil: 06:48:14 
Coucher de soleil: 16:50:1203:19:17
22:19:17
16:19:17
00:49:17
13:19:17
03:19:17
00:19:17
03:19:17
03:19:17
00:49:17
22:19:17
03:19:17
01:19:17
04:19:17
16:19:17
Décalage horaire entre Ryūgasaki 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
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-9
-9
-12
-12
-12
-12