Heure à Riom
18:40:18
Lever du soleil: 06:03:53 
Coucher de soleil: 21:25:3400:40:18
19:40:18
13:40:18
22:10:18
10:40:18
00:40:18
21:40:18
00:40:18
00:40:18
22:10:18
19:40:18
00:40:18
22:40:18
01:40:18
13:40:18
Décalage horaire entre Riom et les grandes villes
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+5
+5
+5
+4.5
+4
+4
+4
+4
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3
+3
+2.5
+2
+1.5
+1
+1
+1
+1
+1
+1
+1
+1
+1
+0
+0
+0
+0
-1
-1
-1
-1
-1
-1
-2
-5
-5
-5
-6
-6
-6
-7
-7
-8
-9