section_path: Months
section_name: Months
paragraph_text: Months
  
  During the time of the Tibetan Empire (7th – 9th century) Tibetan months (Tibetan: ཟླ་བ་, Wylie: zla ba, THL: dawa) were named according to the four seasons:
  
  From the 12th century onwards each month has been named by the 12 animals of the Chinese zodiac:
  
  With the introduction of the calendar of the Kalacakratantra in the second half of the 11th century, months were also named via lunar mansions within which, roughly speaking, a full moon took place each month:
  
  In the second half of the 13th century the famous ruler Drogön Chögyal Phagpa introduced the system of counting the month by ordinal numbers, the so-called Hor "Mongolian" month:
  
  All these systems of counting or naming months were used up to modern times.