Heure à Guérande
10:00:15
Lever du soleil: 08:51:19 
Coucher de soleil: 17:47:3717:00:15
12:00:15
06:00:15
14:30:15
03:00:15
17:00:15
14:00:15
17:00:15
17:00:15
14:30:15
12:00:15
17:00:15
15:00:15
18:00:15
06:00:15
Décalage horaire entre Guérande et les grandes villes
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+5.5
+5
+5
+5
+5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4
+4
+3.5
+3
+2.5
+2
+2
+2
+2
+2
+2
+2
+1
+1
+1
+1
+0
+0
+0
+0
+0
+0
+0
-1
-1
-4
-4
-4
-4
-5
-6
-6
-6
-7
-9