There are three Standard Time zones In Indonesia: 

Sumatra, Java and West & CentralKalimantan are 7 hours ahead (GMT+7) of Greenwich Mean Time.

Bali, Nusa Tenggara, South & EastKalimantan and Sulawesi are 8 hours ahead (GMT+8) of Greenwich Mean Time.

Irian Jaya and Maluku are 9 hours ahead (GMT+9) of Greenwich Mean Time.

What is local time now in Indonesia West Time Zone: Sumatra, Java, West and CentralKalimantan?

What is local time now in Indonesia Central Time ZoneBali,Sulawesi, Nusa Tenggara, South and EastKalimantan?

What is local time now in Indonesia Eastern Time Zone: Irian Jaya, Maluku and Papua?

Does Indonesia operate Daylight Saving (Summer) Time?

Indonesia does not operate Daylight Saving Time.

What is the international telephone dialling code for Indonesia?

The international dialling code for Indonesia is +62.