Heure à Bontang
00:12:00
Lever du soleil: 06:18:05 
Coucher de soleil: 18:24:5800:12:00
19:12:00
13:12:00
21:42:00
10:12:00
00:12:00
21:12:00
00:12:00
00:12:00
21:42:00
19:12:00
00:12:00
22:12:00
01:12:00
13:12:00
Décalage horaire entre Bontang et les grandes villes
+3
+3
+1
+1
+1
+1
+1
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
-1
-1
-1
-2
-2
-2
-2
-3
-3
-4
-5
-5
-5
-5
-5
-5
-5
-6
-6
-6
-6
-7
-7
-7
-7
-7
-7
-7
-8
-8
-11
-11
-11
-11
-12