29. Thokdadein at midnight of any given day is the number of days expired from and excluding Ata Yet.
30. Thagayit is the number of the year of the Burmese era. It denotes expired years, not current years as in Europe. That is to say, the era began at the commencement of the year 0. The first of January 1900 was Burmese 1261 Pyatho waxing 2nd, which means the second day of the month of Pyatho after the completion of 1261 years of the Burmese era.
31. Ratha or Huit Kywin is Thagayit minus a constant. In other words, a fixed number is deducted from thagayit in order to shorten calculations, and the difference is termed ratha.
32. Wa is the Buddhist lent, which extends from the full moon of Wazo to the full moon of Thadingyut.
33. Wa-tat (lent repeated) is an expression applied to the Burmese leap year. Wa-ngè-tat means that the year has an intercalary month without any intercalary day. Wa-gyi-tat means that it has both intercalary month and intercalary day.
