Heure à Grand Rapids
04:30:31
Lever du soleil: 08:10:11 
Coucher de soleil: 17:34:4817:30:31
12:30:31
06:30:31
15:00:31
03:30:31
17:30:31
14:30:31
17:30:31
17:30:31
15:00:31
12:30:31
17:30:31
15:30:31
18:30:31
06:30:31
Décalage horaire entre Grand Rapids et les grandes villes
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+5
+5
+2
+2
+2
+2
+1
+0
+0
+0
-1
-3