Loi Krathong coincides with the Lanna (northern Thai) festival known as "Yi Peng" Due to a difference between the old Lanna calendar and the Thai calendar,Yi Peng is held o¬n a full moon of the 2nd month of the Lanna calendar ("Yi" meaning "2nd" and "Peng" meaning "month" in the Lanna language). A multitude of Lanna-stylesky lanterns (khom loi (Thai: โคมลอย)