Czas Guelma
02:02:00
Wschód słońca: 07:41:51 
Zachód słońca: 17:35:1909:02:00
04:02:00
22:02:00
06:32:00
19:02:00
09:02:00
06:02:00
09:02:00
09:02:00
06:32:00
04:02:00
09:02:00
07:02:00
10:02:00
22:02:00
Różnica czasu między Guelma a większymi miastami
+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