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 Chinese Standard Chinese in the official context and the governments are keen to promote its use as a national lingua franca. The PRC in particular has enacted a law (the "National Common Language and Writing Law") which states that the government must "promote" Standard Mandarin. There is no explicit official intent to have Standard Chinese replace the regional varieties, but local governments have enacted regulations (such as the "Guangdong National Language Regulations") which "implement" the national law by way of coercive measures to control the public use of regional spoken varieties and traditional characters in writing. In practice, some elderly or