Canadians advised that a new curfew is in effect from 12 a.m. to 4 a.m. across the country. The curfew does not apply if you are travelling to or from the airport. Ensure that you have your passport and plane ticket with you.
http://travel.gc.ca/destinations/thailand?utm_source=thailand&utm_medium=travel_en&utm_campaign=mailout_links&utm_content=2014-05-28%2005:45%20pm