Pematangsiantar, North Sumatra, Indonesia uses Asia/Jakarta, currently WIB (UTC+07:00). No clock changes are scheduled in the next 12 months.
Pematangsiantar is a city in Indonesia, with a population of about 279,200. It keeps the same time year-round, with no daylight saving changes.
The band below is your local scale — accent shows when everyone's business hours overlap. Add or remove a city on the left and this updates too.
Written for people arriving, calling in, or planning a trip around the time difference.
Pematangsiantar is North Sumatra's second city, set in the hills between Medan and Lake Toba. It is a busy trading city in the Simalungun Batak region, with a slightly cooler climate than the coast and a mix of Batak, Chinese and Javanese communities.
The city is known for its becak built around vintage British motorcycles, still rumbling through the streets. A museum presents Simalungun Batak culture, and Parapat on the shore of Lake Toba, the world's largest volcanic lake, is about an hour's drive away.
Becak, angkot minibuses and taxis cover the city. Buses and shared cars run to Medan and to Parapat, where ferries cross to Samosir Island.
Pematangsiantar is warm and humid all year, with frequent rain. The drier months, generally from June to August, are the best for travelling on to Lake Toba.
Indonesia uses the IDR, calling code +62.
Indonesia uses the rupiah, and Indonesian is the language, with Batak languages widely spoken. Many residents are Christian, churches are prominent, and cash is essential for local transport and markets.
