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West Nusa Tenggara, Indonesia

West Nusa Tenggara uses Central Indonesia Time, or WITA. Lombok, Sumbawa, and the province’s smaller islands remain on UTC+8 throughout the year.

Mataram, Indonesia

15:53:35

Friday, 4 September 2026

UTC+8 · Asia/Makassar

Time and sun data for Mataram — the largest city of West Nusa Tenggara

The sun in Mataram

Sunrise 06:17 Solar noon 12:16 Sunset 18:15 Daylight 11 h 58 min Night 12 h 02 min Civil twilight 05:56 – 18:36

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Current time in West Nusa Tenggara, Indonesia

One official time applies across the province. Mataram, Bima, Sumbawa Besar, Praya, coastal resorts, mountain communities, and offshore islands all set their clocks to WITA. Central Indonesia Time is eight hours ahead of UTC. West Nusa Tenggara is one hour ahead of Jakarta and shares its time with Bali. It is one hour behind provinces using Eastern Indonesia Time.

No daylight saving adjustment is used. Flights, ferries, accommodation bookings, and local appointments continue to follow UTC+8 in every season. Visitors arriving from Java should move their clocks forward by one hour; travelers arriving from Bali need no change.

The ferry may cross a strait, but between Bali and Lombok the clock stays comfortably aboard.

Local time in Mataram, Bima, and Sumbawa

Mataram, on Lombok, is the provincial capital and largest city. Bima is a city in the eastern part of Sumbawa, while Sumbawa Besar is an important center farther west on that island. Praya serves as a key center in Central Lombok.

Useful place references for checking local schedules are: Mataram, the provincial capital Bima, a city in eastern Sumbawa Sumbawa Besar, the center of Sumbawa Regency Praya, the center of Central Lombok Regency

Selong, the center of East Lombok Regency All use exactly the same civil time. Boat timetables require particular attention because a route may depend on weather and port procedures, but a delay does not indicate a different island time zone.

Sunrise on Lombok and Sumbawa

Sunrise varies across West Nusa Tenggara because the province stretches from west to east. Eastern Sumbawa generally reaches sunrise earlier by the clock than western Lombok. The precise time also changes with the date.

Mountains make the distinction between calculated and visible sunrise important. On Lombok, Mount Rinjani and surrounding ridges can block early direct light from some viewpoints. Sumbawa also has substantial volcanic and mountainous terrain. A beach with an open eastern horizon may see sunlight sooner than a nearby valley.

Check sunrise for the exact town, beach, harbor, or trailhead when arranging hiking, diving, fishing, or photography. Dawn begins before sunrise, providing some natural light before the Sun appears. Official timetables always use WITA, regardless of local terrain or the season.

Questions and answers

Is West Nusa Tenggara in the same time zone as Bali?: Yes. Both use Central Indonesia Time, UTC+8.
Is Lombok one hour ahead of Jakarta?: Yes. Jakarta uses UTC+7, while Lombok uses UTC+8.
Do Lombok and Sumbawa have different local times?: No. Both islands follow WITA throughout the year.