Heure à Ryūgasaki
01:30:59
Lever du soleil: 06:49:06 
Coucher de soleil: 16:47:1500:30:59
19:30:59
13:30:59
22:00:59
10:30:59
00:30:59
21:30:59
00:30:59
00:30:59
22:00:59
19:30:59
00:30:59
22:30:59
01:30:59
13:30:59
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