The document lists 44 festivals held throughout Bhutan in 2015, including their locations and dates. Major festivals include the Punakha tshechu from February 28-March 2 in Punakha Dzong, the Paro tshechu from March 31-April 4 in Rinpung Dzong, and the Thimphu tshechu from September 23-25 in Tashi Chhodzong. Most festivals are religious tshechus held in Dzongs celebrating dances and masks, but some are secular events like the Bhutan International Marathon on February 23 and Rhododendron Festival from April 18-20. The festivals provide a cultural and religious calendar for the year across the country.