Heure à Ryūgasaki
07:20:50
Lever du soleil: 06:49:06 
Coucher de soleil: 16:47:1506:20:50
01:20:50
19:20:50
03:50:50
16:20:50
06:20:50
03:20:50
06:20:50
06:20:50
03:50:50
01:20:50
06:20:50
04:20:50
07:20:50
19:20:50
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