Kota Pontianak is the capital of the Indonesian province of West Kalimantan, founded by Syarif Abdurrahman Alkadrie as a capital of Sultanate of Kadriyah ( Kesultanan Kadriyah ) in 23 Oktober 1771 / 24 Rajab 1181 Hijriah. Syarif Abdurrahman Alkadrie developed Pontianak as a trading port on the island of Borneo, occupying an area of 107.82 km² in the delta of the Kapuas River. It is located precisely on the equator, hence it is widely known as Kota Khatulistiwa (Equatorial City). The city center is actually less than 3 kilometres (2 mi) south of the equator.
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