Definition of golden number in US English:

golden number


  • The number showing a year's place in the Metonic lunar cycle, used to fix the date of Easter for that year.

    • ‘Tables had been brought into use in 530 in which each year was given a golden number indicating its place in the cycle, most possibly so named because they were marked in gold in medieval calendars.’


golden number

/ˈɡōldən ˈnəmbər/