What time is it in Indonesia?

The zones

The 4 time zones of Indonesia

Identifiers as the IANA time zone database defines them, which is the database every operating system and browser resolves a zone against.

Asia/Jakarta

UTC+07:00UTC+07:00, no summer time · Java, Sumatra · the capital's zone

Asia/Pontianak

UTC+07:00UTC+07:00, no summer time · Borneo (west, central)

Asia/Makassar

UTC+08:00UTC+08:00, no summer time · Borneo (east, south), Sulawesi/Celebes, Bali, Nusa Tengarra, Timor (west)

Asia/Jayapura

UTC+09:00UTC+09:00, no summer time · New Guinea (West Papua / Irian Jaya), Malukus/Moluccas

Summer time

Indonesia does not change its clocks

Asia/Jakarta stays on UTC+07:00 for the whole year. Most of the world does; summer time is a northern habit with a shrinking constituency.

The light

Sunrise and sunset in Jakarta

Computed for -6.18, 106.83 at sea level, in Asia/Jakarta, on the four days that mark the year. Times are to the nearest minute and take no account of terrain.