Heure à Guérande
12:21:19
Lever du soleil: 07:57:02 
Coucher de soleil: 18:48:2519:21:20
14:21:20
08:21:20
16:51:20
05:21:20
19:21:20
16:21:20
19:21:20
19:21:20
16:51:20
14:21:20
19:21:20
17:21:20
20:21:20
08:21:20
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
-1
-1
-1
-4
-4
-4
-4
-5
-6
-6
-6
-7
-9