Solving Calendar and Date Problems — PickAClass
⏱ 2h 36m 📚 26 lessons 🎧 Audio version

Solving Calendar and Date Problems

Learn the systematic methods to calculate days of the week and solve complex date-based questions using fundamental logical reasoning principles.

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About this course

Calendar and date problems are common features in aptitude tests and require strong logical deduction. Stop guessing the day of the week and start applying proven, reliable techniques to solve these puzzles. This course transforms your approach to calendar puzzles. You will move beyond simple memorization to understand the underlying mathematical and logical concepts of the Gregorian calendar system, enabling you to accurately determine days, dates, and intervals for any given scenario. What you'll learn: * Understand the core concepts of the Gregorian calendar, including standard years, leap years, and the structure of centuries. * Master the crucial "odd days" concept and its application for efficiently determining the day of the week for any date. * Apply systematic calculation methods to accurately find the day corresponding to a specific historical or future date. * Practice solving various types of complex calendar problems, including those involving repeated calendars and finding missing date information. * Develop speed and accuracy in solving time-constrained logical reasoning questions. The course begins with foundational terminology and the structure of the calendar system. You will then progress through step-by-step methods and guided practice exercises to build confidence and accuracy. This course is designed for absolute beginners interested in logical reasoning and quantitative aptitude. No prior knowledge of advanced mathematics or programming is required. Start reading today and unlock the logic behind calendar calculations.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 36m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
Skills profile · verifiable
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Solving Calendar and Date Problems
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Solving Calendar and Date Problems
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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