Formula Find Day on a Particular Date

Duration: 10 min

This video lesson is available to enrolled students.

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Inside: a video lesson and guided study material.

Module outline

  1. About the course: About the Course
  2. Mathematical Aptitude: संख्या पद्धति / Number System, महत्तम समापवर्तक और लघुत्तम समापवर्त्य / HCF and LCM, Divisibility Rules, प्रतिशत / Percentage, अनुपात और समानुपात / Ratio and Proportion, औसत / Average, लाभ, हानि और बट्टा / Profit, Loss and Discount, समय और कार्य / Time and Work, घन क्षेत्रमिति / Solid Mensuration, साधारण और चक्रवृद्धि ब्याज / Simple and Compound Interest, समय, चाल और दूरी / Time, Speed and Distance, Age Problems, मिश्रण और एलिगेशन / Mixture and Alligation, Algebra, सरलीकरण, घातांक और करणी / Simplification, Indices and Surds, Pipe and Cistern, Trigonometry, Statistics, आँकड़ा निर्वचन / Data Interpretation, Arithmetic, समुच्चय, संबंध, फलन और विविक्त गणित / Sets, Relations, Functions and Discrete Mathematics, संख्या पद्धति और संख्या सिद्धांत / Number Systems and Number Theory, निर्देशांक ज्यामिति, सदिश और त्रिविमीय ज्यामिति / Coordinate Geometry, Vectors and 3D Geometry, बहुपद, समीकरण और सम्मिश्र संख्याएँ / Polynomials, Equations and Complex Numbers
  3. Logical Reasoning: श्रेणी / Series, कूट लेखन एवं कूट वाचन / Coding-Decoding, सादृश्यता एवं वर्गीकरण / Analogy and Classification, रक्त संबंध / Blood Relations, दिशा एवं दूरी / Direction and Distance, क्रम एवं रैंकिंग / Order and Ranking, अशाब्दिक तर्क / Non-Verbal Reasoning, बैठक व्यवस्था एवं पहेलियाँ / Seating Arrangement and Puzzles, Syllogisms, वेन आरेख, न्याय वाक्य एवं असमानता / Venn Diagrams, Syllogism and Inequalities, गणितीय संक्रियाएँ एवं लुप्त संख्या / Mathematical Operations and Missing Numbers, वर्णमाला एवं संख्या परीक्षण / Alphabet and Number Test, कथन आधारित तार्किक विवेचन / Statement-Based Reasoning, Analytical Reasoning (Counting Figures Reasoning), घन, पासा एवं आकृतियों की गिनती / Cubes, Dice and Figure Counting, कैलेंडर एवं घड़ी / Calendar and Clock, Clock
  4. General Knowledge: वैज्ञानिक उपलब्धियाँ और अनुसंधान / Scientific Achievements and Research, Chemistry, Biology, History, Geography, Polity, Indian Economy, समसामयिकी / Current Affairs, Static General Knowledge, राज्य विशेष सामान्य ज्ञान / State-Specific General Knowledge
  5. Art of Teaching: शिक्षण-अधिगम प्रक्रिया एवं कक्षा प्रबंधन / Teaching-Learning Process and Classroom Management, Learners & Learning Process, Factors Affecting Teaching, शिक्षण विधियाँ एवं उपागम / Teaching Methods and Approaches, सूक्ष्म शिक्षण एवं कक्षा संप्रेषण / Microteaching and Classroom Communication, शिक्षण सहायक सामग्री एवं शैक्षिक तकनीकी / Teaching Aids and Educational Technology, आकलन एवं मूल्यांकन / Assessment and Evaluation, शिक्षक: गुण, व्यावसायिक नैतिकता एवं विकास / Teacher: Qualities, Professional Ethics and Development, शैक्षिक नीतियाँ, अधिनियम एवं प्रशासन / Educational Policies, Acts and Administration, पाठ्यचर्या, कला एवं सह-शैक्षिक क्षेत्र / Curriculum, Arts and Co-curricular Areas, निर्देशन एवं परामर्श / Guidance and Counselling, दिव्यांग बच्चों की शिक्षा / Education of Children with Disabilities, Micro-Teaching & Teaching Skills, पाठ योजना / Lesson Planning
  6. Environmental Science: Environment
  7. Unit 1 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  8. Unit 2 | COA: Basics of COA, Floating Point Rep, Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations, Programming the Basic Computer
  9. Unit 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  10. Unit 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  11. Unit 4 | Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  12. Unit 5 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management
  13. Unit 6 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Transaction Management, Concurrency Control
  14. Unit 7 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer
  15. Unit 8 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  16. Unit 9 | Object Oriented Programming: OOPS with C++
  17. Unit 10 | Web Development: HTML Basics, CSS, JavaScript-Basics, XML, Node.js, Git & Github, PHP
  18. Unit 11 | Theory Of Computation: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines
  19. Unit 12 | IoT: Emerging Tech Trends, Cloud Computing, कंप्यूटर नेटवर्क / Computer Networks
  20. Unit 13 | Artificial Intelligence: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Natural Language Processing, Artificial Neural Networks, Genetic Algorithms
  21. Unit 14 | E-Commerce: Electronic Data Interchange and E-Commerce, Role of Internet and Web Services, Security in Mobile and Wireless Computing, Physical Security and Cryptography Basics, Cyber Safety and Security
  22. Unit 15 | Multimedia: Multimedia
  23. Unit 16 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis, DSA using Python
  24. Full Length Mock Tests — General Paper:
  25. Full Length Mock Tests — Computer Science (Paper II):
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video presents a lecture on the Bramhasthra Formula, a method for determining the day of the week for any given date. The instructor, Yash Jain Sir, begins by posing a question about the Wednesdays in April 2018, which is a past exam question from TCS 2019. He then introduces the Bramhasthra Formula: [Year + Leap Year + Date + Month Code + Year Code] / 7. The video systematically breaks down the components of the formula. It shows a table for the Year Code, which assigns a value to each year based on a 400-year cycle (e.g., 1600-1699 has a code of 6). It also displays a table for the Month Code, where April is assigned a code of 6. The Day Code table is shown, with Wednesday corresponding to the number 4. The instructor demonstrates the calculation for April 1, 2018, by plugging in the values: 18 (year) + 4 (leap year adjustment) + 1 (date) + 6 (month code) + 6 (year code), which sums to 35. Dividing 35 by 7 gives a remainder of 0, which corresponds to Sunday. The instructor then corrects this, explaining that a remainder of 0 or 7 signifies Sunday, so the day for April 1, 2018, is Sunday. The video then transitions to a new question about the day of the week for June 19, 1970, and begins the calculation. The video concludes with a 'Thanks for Watching' screen.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a title card showing a calendar and the word 'CALENDAR'. It then transitions to a lecture screen. The instructor, Yash Jain Sir, introduces a question: 'On what dates of April 2018 did Wednesday fall?' The options are provided. The instructor states this is an important question from TCS 2019. He then introduces the 'Bramhasthra Formula' as the method to solve it, writing the formula on the screen: [Year + Leap Year + Date + Month Code + Year Code] / 7. The background is a blackboard with educational doodles.

  2. 2:00 – 5:00 02:00-05:00

    The instructor begins to explain the components of the Bramhasthra Formula. He writes '01 April 2018' on the board. He explains that the 'Year' is 18 (from 2018), the 'Date' is 1, and the 'Leap Year' adjustment is 4 (since 2018 is not a leap year, but the adjustment is based on the number of leap years from 1600 to 2018). He then introduces the 'Month Code' for April, which is 6. He also shows a table for the 'Year Code' for different centuries, indicating that 2000-2099 has a code of 6. He begins to sum the values: 18 + 4 + 1 + 6 + 6.

  3. 5:00 – 10:00 05:00-10:00

    The instructor completes the calculation for April 1, 2018. He sums the values: 18 (Year) + 4 (Leap Year) + 1 (Date) + 6 (Month Code) + 6 (Year Code) = 35. He divides 35 by 7, which equals 5 with a remainder of 0. He then refers to a 'Day Code' table, which shows that a remainder of 0 or 7 corresponds to Sunday. He concludes that April 1, 2018, was a Sunday. He then begins to solve the next question, 'Which day lied on 19th June 1970?', by writing the formula: [70 + 17 + 19 + 4 + 0] / 7. He explains that the year is 70, the leap year adjustment is 17 (number of leap years from 1600 to 1970), the date is 19, the month code for June is 4, and the year code for 1900-1999 is 0.

  4. 10:00 – 10:09 10:00-10:09

    The video transitions to a final screen with a blue, abstract, digital background. The text 'THANKS FOR WATCHING' is displayed in large, white, capital letters. This is the end of the lecture.

The video provides a step-by-step tutorial on the Bramhasthra Formula for calculating the day of the week. It begins with a real-world problem from a past exam, then systematically introduces the formula and its components: Year, Leap Year adjustment, Date, Month Code, and Year Code. The instructor uses a combination of on-screen text, tables, and handwritten calculations to demonstrate the method. The core of the lesson is the application of the formula, where the sum of the components is divided by 7, and the remainder is used to identify the day of the week from a predefined code table. The video effectively uses a practical example to teach a complex calculation method, making it accessible for students preparing for competitive exams.

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