Uncategorized

Calendar

Video Broadcast: #106
November 30, 2020

Types

  • Solar Calendar
  • Lunar Calendar
  • Luni-solar Calendar
  • Civil Calendar
  • Fiscal Calendar
  • Academic Calendar

Sample Calendars

  • Old Roman Calendar
    Ten months for official activities
    September, October, November and December are the 7th, 8th, 9th and 10th months
  • Julian Calendar
    Twelve months : January to December
    Leap year correction
    if a year is divisible by 4
  • Gregorian Calendar
    Refined Leap Year correction
    if a century year is divisible by 400
  • Mayan Calendar
  • Showa (Japan)
    Reign of Emperor

Synchronization

  • Leap Year
    for solar calendars
  • Intercalary Month
    for lunar calendars

Anomalies

  • “October” Revolution
  • Early journey where arrival date is “earlier” than the start date
  • Ripley’s “Believe It Or Not” describing an Epitaph with February 30

Categories: Uncategorized

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