Heure à Grand Rapids
08:11:50
Lever du soleil: 08:09:02 
Coucher de soleil: 17:37:1521:11:50
16:11:50
10:11:50
18:41:50
07:11:50
21:11:50
18:11:50
21:11:50
21:11:50
18:41:50
16:11:50
21:11:50
19:11:50
22:11:50
10:11:50
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