Heure à Round Rock
20:31:59
Lever du soleil: 07:03:38 
Coucher de soleil: 20:01:4209:31:59
04:31:59
22:31:59
07:01:59
19:31:59
09:31:59
06:31:59
09:31:59
09:31:59
07:01:59
04:31:59
09:31:59
07:31:59
10:31:59
22:31:59
Décalage horaire entre Round Rock et les grandes villes
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+5
+2
+2
+2
+1
+1
+1
+0
+0
-1
-2