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How to Identify and Classify Dates
  • 1. What is the first step in identifying a date?
A) Ignore context entirely.
B) Assume the date is invalid.
C) Consult an expert immediately.
D) Look for numerical patterns or separators.
  • 2. Which of these is a common separator used in dates?
A) $
B) #
C) %
D) /
  • 3. What does 'YYYY' typically represent in date formats?
A) Month number.
B) Seconds.
C) Four-digit year.
D) Day of the week.
  • 4. What does 'MM' typically represent in date formats?
A) Day of the year.
B) Two-digit month.
C) Year of the century.
D) Milliseconds.
  • 5. What does 'DD' typically represent in date formats?
A) Two-digit day.
B) Day of the month as a word.
C) Minute of the hour.
D) Hour of the day.
  • 6. Which of the following is the ISO 8601 date format?
A) YYYY/MM/DD
B) MM-DD-YYYY
C) YYYY-MM-DD
D) DD-MM-YYYY
  • 7. What does the ordinal indicator 'th' signify in a date like '4th'?
A) The temperature on that day.
B) The number of days left in the month.
C) The rank of the day within the month.
D) The hour of the day.
  • 8. What is the Gregorian calendar primarily based on?
A) Lunar cycle.
B) Planetary alignments.
C) Random events.
D) Solar year.
  • 9. What is the Julian calendar primarily based on?
A) Lunar cycle.
B) Solar year (with less accurate leap year rules).
C) Planetary alignments.
D) Random events.
  • 10. What is a 'day of the year' format?
A) A number from 1-366 representing the day.
B) Always the first day of a specific month.
C) The number of days left in the year.
D) The day of the week.
  • 11. What is epoch time?
A) Seconds since January 1, 1970 UTC.
B) Days since the formation of Earth.
C) Milliseconds since the Big Bang.
D) Hours since the start of the universe.
  • 12. What is a leap year?
A) A year with 367 days.
B) A year with 364 days.
C) A year with 366 days.
D) A year with 365 days.
  • 13. Why are leap years necessary?
A) To make February longer.
B) Because of a decree by Julius Caesar.
C) To account for the difference between the solar year and the calendar year.
D) To confuse historians.
  • 14. In 'March 15, 44 BC', what calendar is most likely being used?
A) Mayan Calendar
B) Islamic Calendar
C) Gregorian Calendar
D) Julian Calendar
  • 15. How can you differentiate between US (MM/DD/YYYY) and European (DD/MM/YYYY) date formats?
A) Context and day/month values.
B) Color of the text.
C) Presence of ordinal indicators.
D) Font style.
  • 16. What is a 'quarter' in date terms?
A) A one-month period.
B) A six-month period.
C) A three-month period.
D) A four-month period.
  • 17. Which date format is commonly used in programming?
A) YY/MM/DD
B) MM/DD/YY
C) ISO 8601 (YYYY-MM-DD)
D) DD-MM-YY
  • 18. What does AM/PM signify?
A) Always/Perhaps Midnight.
B) Absolute Minute/Past Minute.
C) Ante Meridiem/Post Meridiem, before/after noon.
D) Atypical Morning/Perfectly Magnificent.
  • 19. Which date is written correctly?
A) 27 October, 2023rd
B) October 27, 2023
C) October 27th, 2023
D) October 27nd, 2023
  • 20. What is the Unix timestamp?
A) Number of days since the birth of Unix.
B) The number of CPU cycles since the invention of the computer.
C) A secret code known only to Unix programmers.
D) Number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT).
  • 21. How do you handle ambiguous dates like '01/02/03'?
A) Reroll the date.
B) Consider the context and expected format.
C) Ignore the date.
D) Assume it's always January 2nd, 2003.
  • 22. What does 'CE' stand for?
A) Calculated Era
B) Christian Era
C) Current Epoch
D) Common Era
  • 23. What does 'BCE' stand for?
A) Before Common Era
B) Before Current Epoch
C) Best Case Estimate
D) Before Christian Era
  • 24. Which of the following is NOT a valid date?
A) December 31, 2024
B) April 30, 2024
C) January 31, 2024
D) February 30, 2024
  • 25. What is the purpose of a date parser?
A) To automatically create new dates.
B) To calculate the age of a document.
C) To convert date strings into a structured date object.
D) To print dates on paper.
  • 26. Which of the following affects date calculations?
A) Time zones.
B) Color of the paper.
C) Font size.
D) Network speed.
  • 27. What is a 'week number'?
A) A random number assigned to each week.
B) The day of the week.
C) The number of days in the week.
D) The week's position within the year.
  • 28. Which calendar system is primarily lunar?
A) Islamic calendar.
B) Julian calendar.
C) Gregorian calendar.
D) Mayan calendar.
  • 29. How many days are in a common year?
A) 366
B) 365
C) 367
D) 364
  • 30. What should you do if a date format is unknown?
A) Delete the data.
B) Always assume the current date.
C) Research common formats and regional conventions.
D) Guess randomly.
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