Heure à Grand Rapids
05:46:17
Lever du soleil: 08:11:11 
Coucher de soleil: 17:32:2518:46:17
13:46:17
07:46:17
16:16:17
04:46:17
18:46:17
15:46:17
18:46:17
18:46:17
16:16:17
13:46:17
18:46:17
16:46:17
19:46:17
07:46:17
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