Heure à Guérande
18:00:00
Lever du soleil: 08:49:03 
Coucher de soleil: 17:51:4801:00:01
20:00:01
14:00:01
22:30:01
11:00:01
01:00:01
22:00:01
01:00:01
01:00:01
22:30:01
20:00:01
01:00:01
23:00:01
02:00:01
14:00:01
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