Bangladesh Standard Time. Bangladesh Standard Time (BST; Bengali: ???????????????????????? ????????? ????????????) serves as the official time zone for Bangladesh. It operates six hours ahead of Coordinated Universal Time and is observed uniformly across the country as a national standard. In 2009, Bangladesh briefly observed daylight saving time (DST) as a measure to address an ongoing electricity crisis. However, this decision was reversed by the government in 2010. The official time signal of BST is determined based on the 90.00?? E longitude. This meridian passes through the Harukandi Union, located in the Harirampur Upazila of the Manikganj District, within the Dhaka Division. In the IANA time zone database, BST is represented by the identifier Asia/Dhaka. History From 1890 to 1941, Bengal, under the British Raj adhered to Calcutta time (UTC+5:53:20). During the 1940s, in the midst of World War II, British India...
