Diego Garcia is an atoll located south of the equator in the central Indian Ocean.The atoll is located 3,535 km (2,197 mi) east of Tanzania's coast, 1,796 km (1,116 mi) south-southwest of the southern tip of India(at Kanyakumari) and 4,723 km (2,935 mi) west-northwest of the west coast of Australia (at Cape Range National Park, Western Australia). Diego Garcia lies at the southernmost tip of the Chagos-Laccadive Ridge, a vast submarine mountain range,[2] top ofcoral reefs, atolls, and islands comprising Lakshadweep, The Maldives, and the Chagos Archipelago. Local time is UTC+06:00 year-round (DST is not observed).Diego Garcia's coordinates are 7° 18′ 48″ S, 72° 24′ 40″ E.