Ώρα Pematangsiantar
06:27:30
Ανατολή ηλίου: 06:07:51 
Η δυση του ηλιου: 18:11:0907:27:30
02:27:30
20:27:30
04:57:30
17:27:30
07:27:30
04:27:30
07:27:30
07:27:30
04:57:30
02:27:30
07:27:30
05:27:30
08:27:30
20:27:30
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
-4
-4
-5
-5
-5
-5
-6
-6
-6
-6
-6
-6
-7
-10
-10
-10
-10
-11
-11
-12
-12