Government offices, schools, and institutions are closed for the day.
The most auspicious hour for the ablution is determined by astrologers in the service of the Je Khenpo, the chief abbot of the country. They refer to the Bhutanese lunar calendar (essentially the Tibetan lunar calendar), but the exact method of their calculations have not been disclosed. In 2004, they determined the preferred time to be 4:00 PM, September 22. Citizens who are unable to bathe at the exact hour instead often rise before dawn for a brisk morning splash.
Variant romanizations of the Dzongkha name of the holiday include Thrue-Bab, Thrie-Bab, and Thri-Bab.