section_path: Cycles
section_name: Cycles
paragraph_text: Cycles
  
  Also existing in the Baháʼí calendar system is a nineteen-year cycle called Váḥid and a 361 year (19×19) supercycle called Kull-i-S͟hayʼ (literally, "All Things"). The expression Kull-i-Shayʼ was used frequently by the Báb. It has its origins in Sufism and the significance of the numbers 19 and 361 were possibly already associated by Ibn Arabi (1165–1240).
  
  Each of the nineteen years in a Vahid has been given a name as shown in the table below. The tenth Váḥid of the 1st Kull-i-S͟hayʼ started on 21 March 2015, and the eleventh Váḥid will begin in 2034.
  
  The current Baháʼí year, year 182 BE (20 March 2024 – 20 March 2025), is the year Bahháj of the tenth Váḥid of the first Kull-i-S͟hayʼ. The second Kull-i-S͟hayʼ will begin in 2205.
  
  The concept of a nineteen-year cycle has existed in some form since the fourth century BCE. The Metonic cycle represents an invented measure that approximately correlates solar and lunar markings of time and which appears in several calendar systems.