Heure à Riom
22:17:57
Lever du soleil: 07:21:03 
Coucher de soleil: 20:19:5204:17:57
23:17:57
17:17:57
01:47:57
14:17:57
04:17:57
01:17:57
04:17:57
04:17:57
01:47:57
23:17:57
04:17:57
02:17:57
05:17:57
17:17:57
Décalage horaire entre Riom et les grandes villes
22:17:57
-6
16:17:57
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
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+6
+6
+6
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+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
+0
+0
+0
+0
+0
+0
-1
-1
-1
-1
-1
-2
-2
-5
-5
-5
-5
-6
-6
-7
-7
-8
-9