Heure à Helena
02:11:35
Lever du soleil: 06:45:23 
Coucher de soleil: 17:15:1716:11:35
11:11:35
05:11:35
13:41:35
02:11:35
16:11:35
13:11:35
16:11:35
16:11:35
13:41:35
11:11:35
16:11:35
14:11:35
17:11:35
05:11:35
Décalage horaire entre Helena et les grandes villes
+7
+7
+7
+7
+7
+7
+7
+6
+6
+3
+3
+3
+3
+2
+1
+1
+1
+0
-2