Prelims · 8 Mental Ability · 8.13 Calendar and clock

8.13.1 Calendar: odd days, day of the week, repeating years and leap-year traps

Every calendar question is counting days and dividing by 7: the remainder, called odd days, tells how many weekdays to move forward (or back).

  • APPSC Group 2 · Prelims
  • Standard level
  • 7 min read
  • Full course

Key terms

  • calendar
  • odd days
  • leap year
  • century year
  • day of the week
  • month odd days
  • day codes
  • repeating calendar
  • 53 days in a year
  • five times in a month
  • last day of century
  • counting days
  • nth day of the year
  • day after tomorrow

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Common trapsFoundation
  5. Quick revisionFoundation

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