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Festival Day Position

Festival Day Position problems require calculating the date of a movable festival (like Easter Sunday, Diwali, or Thanksgiving) based on calendar rules such as 'first Sunday after the first full moon of spring' or specific lunar calendar positions.

10Worksheets
200+Practice Questions
AdvancedDifficulty
3-4 hoursHours to Master

What You'll Learn

Introduction & Overview Why This Matters How to Solve Pro Tips & Tricks
Shortcut Methods Common Mistakes Practice Worksheets Exam Importance

Introduction to Festival Day Position

Festival Day Position problems require calculating the date of a movable festival (like Easter Sunday, Diwali, or Thanksgiving) based on calendar rules such as 'first Sunday after the first full moon of spring' or specific lunar calendar positions.

Prerequisites

Understanding of Gregorian calendar Knowledge of Easter calculation algorithm Lunar calendar basics Date arithmetic
Why This Matters: Festival Day Position problems appear in 0-2 questions in advanced exams. They test understanding of complex calendar rules and astronomical/religious calendar systems.

How to Solve Festival Day Position Problems

1

Step 1: Identify the festival and its calculation rule

2

Step 2: For Easter: Use the Gregorian algorithm (or given simplified rule)

3

Step 3: Calculate the ecclesiastical full moon date for the year

4

Step 4: Find the next Sunday after that date

5

Step 5: For fixed-date festivals (Christmas, Diwali sometimes fixed), use direct date

6

Step 6: For festivals based on lunar months (Islamic calendar), use given equivalence

7

Step 7: Output the calculated date in DD-MM-YYYY format

Pro Strategy: For standard exams, festival dates for common years are often provided in the problem or expected to be known. For complex calculations, use the standard Gregorian Easter algorithm or the given rule in the problem.

Example Problem

Example: In 2025, Easter Sunday is April 20. What is the date of Easter in 2026 (if known to be April 5)? Solution: Step 1: Given: Easter 2025 = April 20 Step 2: Easter is the first Sunday after the first full moon of spring Step 3: For 2026, using known data: Easter = April 5 Answer: April 5, 2026

Pro Tips & Tricks

  • Easter Sunday always falls between March 22 and April 25
  • Diwali falls on the new moon day of Kartik month (October/November)
  • Thanksgiving (US) is the fourth Thursday of November
  • Easter algorithm: a = year mod 19, b = year // 100, c = year mod 100, etc.
  • Memorize Easter dates for common exam years (2020-2030)
  • Raksha Bandhan falls on full moon of Shravan (August)

Shortcut Methods to Solve Faster

For 2020-2030: Easter dates: 2020:Apr12, 2021:Apr4, 2022:Apr17, 2023:Apr9, 2024:Mar31, 2025:Apr20, 2026:Apr5, 2027:Mar28, 2028:Apr16, 2029:Apr1, 2030:Apr21
Easter = March 22 + (d + e - 9) mod 32? (simplified formula exists)
Use online reference or memorized values for common years

Common Mistakes to Avoid

Assuming all festivals are on fixed dates
Mixing Gregorian and Julian calendar dates
Forgetting that Easter is on Sunday (not any day)
Misapplying the lunar calculation rules

Exam Importance

Festival Day Position is an important topic for various competitive exams. Here's how frequently it appears:

SSC CGL
0-1 questions
BANKING PO
0-1 questions
RAILWAYS RRB
0-1 questions
CAT
1-2 questions
INSURANCE
0-1 questions

Ready to Master Festival Day Position?

Start with Worksheet 1 and work your way up to expert level! Each worksheet includes:

20 practice questions
Detailed solutions
Step-by-step explanations
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