Ώρα Gumel
14:37:43
Ανατολή ηλίου: 06:48:10 
Η δυση του ηλιου: 18:16:5221:37:44
16:37:44
10:37:44
19:07:44
07:37:44
21:37:44
18:37:44
21:37:44
21:37:44
19:07:44
16:37:44
21:37:44
19:37:44
22:37:44
10:37:44
Διαφορά ώρας μεταξύ Gumel και μεγάλων πόλεων
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+5.5
+5
+5
+5
+5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4
+4
+3.5
+3
+2.5
+2
+2
+2
+2
+2
+2
+2
+1
+1
+1
+1
+0
+0
+0
+0
+0
+0
+0
-1
-1
-4
-4
-4
-4
-5
-6
-6
-6
-7
-9