 As a Royal Page Student, ML Pin's duties included various tasks in the royal household as well as accompanying the king in his various activities. The Royal Page Students were involved in plays and sports games held in court and also in activities of the king's scouting-related paramilitary movement, the Wild Tiger Corps. ML Pin also became an editor of the Dusit Samit Magazine, part of the king's Dusit Thani miniature city / micronation project. One memorable task appointed to him by the king was to determine the day of week King Naresuan left Ayutthaya for his famous elephant duel, a problem ML Pin was unable to solve at the time, but became the inspiration for his later development of the "Everlasting Calendar". He lived in the royal court most of the time and received a salary of twenty to thirty baht.
