Ώρα Pematangsiantar
10:15:55
Ανατολή ηλίου: 06:33:04 
Η δυση του ηλιου: 18:37:2511:15:55
06:15:55
00:15:55
08:45:55
21:15:55
11:15:55
08:15:55
11:15:55
11:15:55
08:45:55
06:15:55
11:15:55
09:15:55
12:15:55
00:15:55
Διαφορά ώρας μεταξύ Pematangsiantar και μεγάλων πόλεων
+4
+4
+2
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+0
+0
+0
-1
-1
-1
-1
-2
-2
-3
-4
-4
-4
-4
-4
-4
-4
-5
-5
-5
-5
-6
-6
-6
-6
-6
-6
-7
-7
-7
-10
-10
-10
-10
-11
-12
-12
-12