Bangladesh Standard Time Bangladesh Standard Time Bangladesh Standard Time (BST) () is the time zone of Bangladesh. It is offset six hours ahead of Coordinated Universal Time, and observed as a national standard throughout the country. Bangladesh briefly observed daylight saving time (DST) in 2009 to cope with the ongoing electricity crisis, but in 2010 the decision was cancelled by the government of Bangladesh. The official time signal is given by the Bangladesh Standard Time is calculated on the basis of the 90.00° E longitude, which passes over the Harukandi Union of Harirampur Upazila of the Manikganj District in Dhaka Division, Bangladesh. In
Standard Zhuang Standard Zhuang Standard Zhuang (autonym: (pre-1982: ; Sawndip: ); ) is the official standardized form of the Zhuang languages, which are a branch of the Northern Tai languages. Its pronunciation is based on that of the Yongbei Zhuang dialect of Shuangqiao, Guangxi in Wuming District, Guangxi with some influence from Fuliang, also in Wuming District, while its vocabulary is based mainly on northern dialects. The official standard covers both spoken and written Zhuang. It is the national standard of the Zhuang languages, though in Yunnan a local standard is used. Standard Zhuang has six tones, reduced to two (numbered 7–8)