Formula Find Day on a Particular Date

Duration: 10 min

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Inside: a video lesson and guided study material.

Module outline

  1. Course Overview: About the Course
  2. Paper - 1 | Unit - 1 | Teaching Aptitude: Nature, Objectives & Characteristics of Teaching, Learners & Learning Process, Factors Affecting Teaching, Methods of Teaching, Teaching-Learning Aids & ICT Integration, Evaluation, Assessment & Measurement
  3. Paper - 1 | Unit - 2 | Research Aptitude: Introduction to Research, Validity & Reliability, Research Paradigms & Types of Research, Research Process Steps, Research Ethics, Writing & Publication
  4. Paper - 1 | Unit - 3 | Comprehension: Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions)
  5. Paper - 1 | Unit - 4 | Communication: Communication Basics, Language and Semiotics, Types of Communication, Communication Models, Mass Communication, Mass Media, Journalism, General Knowledge and General Studies related to Communication
  6. Paper - 1 | Unit - 5 | Mathematical Reasoning and Aptitude: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Number System, Percentage, Ratio and Proportion (Ratios), Simple Interest and Compound Interest, Speed Time and Distance, Powers and Exponents (Surds and Indices), Profit and Loss, Average, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Verbal Analogy (Word Based Analogy), Divisibility Rules, Calendar, Miscellaneous, Time and Work, Algebra
  7. Paper - 1 | Unit - 6 | Logical Reasoning: Syllogisms, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Venn Diagram, School Of Thoughts, Fallacy, Western Logic
  8. Paper - 1 | Unit - 7 | Data Interpretation: Data Interpretation
  9. Paper - 1 | Unit - 8 | Information and Communication Technology: MS Office Applications, Cyber Threats and Malware Attacks, Role of Internet and Web Services, Electronic Data Interchange and E-Commerce, Internet Fundamentals, Web Design & Development, Web Publishing & Hosting, Emerging Technologies, Terms & Abbreviations, Artificial Intelligence, Society, Law & Ethics, Keyboard Shortcuts, Website, Browser & Services
  10. Paper - 1 | Unit - 9 | People Development and Environment: Ecosystem, Biomes & Environmental Issues, MDG & SDG, Air Pollution, Water Pollution, Soil, Noise Pollution and Waste Management, Natural Resources, Energy & Disaster Management, Global Environmental Conventions – COP, Protocols & ISA
  11. Paper - 1 | Unit - 10 | Higher Education System: Vedic Education, Jainism & Buddhism, Ancient Universities, Pre-Independence Commissions, Post-Independence Policy, Higher Education Structure & Accreditation, Universities & Learning Programmes, Types of Education & NEP 2020
  12. Paper 2 | Unit 1 | Discrete Structures and Optimization: Propositional and Predicate Logic, Set Theory, Relations, Functions, Permutation and Combination, Probability, Graph Theory, Group Theory, Digital Systems & Boolean Basics, Boolean Expression, Boolean Minimization, Optimization
  13. Paper 2 | Unit 2 | Computer System Architecture: Logic Gates & Hardware, Combinational Circuit, Sequential Circuits, Number System, Number Representation, Floating Point Rep, Basics of COA, Register Transfer and Microoperations, Programming the Basic Computer, Instr Formats & Modes, Control Unit Design, Pipelining, Input Output Organisation, Cache Memory Organization, Multiprocessors
  14. Paper 2 | Unit 3 | Programming Languages and Computer Graphics: Language Design, C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling, HTML Basics, XML, JavaScript-Basics, Java, Basics of Computer Graphics, 2-D Geometrical Transforms and Viewing, 3-D Object Representation, Geometric Transformations and Viewing, OOPS with C++, Java Fundamentals
  15. Paper 2 | Unit 4 | Database Management Systems: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, ORDBMS, Database Security & Authorization, Query Processing & Optimization, Enhanced Data Models, Data Warehousing & Mining, Big Data Systems, NoSQL
  16. Paper 2 | Unit 5 | System Software and Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management, Windows OS, Linux OS, Security, Distributed Systems, Virtual Machines
  17. Paper 2 | Unit 6 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  18. Paper 2 | Unit 7 | Data Structures and Algorithms: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  19. Paper 2 | Unit 8 | Theory of Computation and Compilers: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Complexity Theory, Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization, Run Time Environment
  20. Paper 2 | Unit 9 | Data Communication and 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, Hardware basics, Network Security, Mobile Technology, Cloud Computing and IoT, Cloud Computing
  21. Paper 2 | Unit 10 | Artificial Intelligence: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Planning, Multi Agent Systems, Fuzzy Sets, Natural Language Processing, Artificial Neural Networks, Genetic Algorithms
  22. Live Classes: NTA UGC NET 2025 Live Class
  23. Paper 1 | Full Mock Tests:
  24. Paper 2 | Full Mock Tests:
  25. Paper 1 | Previous Year Papers:
  26. Paper 2 | Previous Year Papers:
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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