Heure à Richardson
07:29:02
Lever du soleil: 07:30:07 
Coucher de soleil: 17:40:3221:29:02
16:29:02
10:29:02
18:59:02
07:29:02
21:29:02
18:29:02
21:29:02
21:29:02
18:59:02
16:29:02
21:29:02
19:29:02
22:29:02
10:29:02
Décalage horaire entre Richardson et les grandes villes
+7
+7
+7
+7
+7
+7
+7
+6
+6
+3
+3
+3
+3
+2
+1
+1
+1
+0
-2