Thimphu is based on the Roman calendar.
 In 2008, this paved way for the transition from absolute monarchic rule to a parliamentary democratic constitutional monarchy, with Thimphu as the headquarters of the new government, with the national defined objective of achieving "Gross National Happiness" (GNH) concomitant with the growth of Gross National Product (GNP)
 The Thimphu Tsechu, held for four days is usually attended by the Royal family and the Chief Abbot of Bhutan and other government officials

