Indonesia devided into 3 time zones;

1. WIB (West Indonesia Timezone) GMT + 7
   Medan, Jakarta, Pontianak
2. WITA (Central Indonesia Timezone) GMT + 8
   Bali, Lombok, Manado
3. WIT (Central Indonesia Timezone) GMT + 9
   Ambon, Timika, Jayapura, Merauke