There is no special Buddhist calendar. At when th Buddhist date of creation is - they do not concern themselves with questions that cannot be answered, it is a waste of time.

The Buddhist calendar is a calendar for Buddhism and is used in some countries in Southeast Asia.

When they are observing sil, a religious event in the Buddhist calendar.

Than Tun has written:

'Restoration of the Shwe Yan Pyay Pagoda and Monastery' -- subject(s): Antiquities, Architecture, Buddhist, Buddhist Architecture, Buddhist Temples, Congresses, Conservation and preservation, Conservation and restoration, Temples, Temples, Buddhist

'The English-Myanma calendar of the Second Millennium A.D' -- subject(s): Burmese Calendar, Calendar, Burmese, Calendar, Gregorian, Calendar, Mathematics, Calendars, Gregorian Calendar, History, Mathematics Calendar

'I would say this much' -- subject(s): Historians, Biography

'Auspicious symbols and ancient coins of Myanmar' -- subject(s): Burma, Burmese Coins, Signs and symbols

To convert from Gregorian calendar year to the Thai Buddhist era year you would add 543; conversely, if you want to convert from the Thai Buddhist era year to the Gregorian calender year you would subtract.

Therefore, 2536 -543 = 1993 CE