Heure à Gumel
23:01:20
Lever du soleil: 06:48:02 
Coucher de soleil: 18:16:2006:01:20
01:01:20
19:01:20
03:31:20
16:01:20
06:01:20
03:01:20
06:01:20
06:01:20
03:31:20
01:01:20
06:01:20
04:01:20
07:01:20
19:01:20
Décalage horaire entre Gumel et les grandes villes
+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