Short Trick for Breaking Year into Pieces

Duration: 6 min

This video lesson is available to enrolled students.

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Inside: a video lesson and guided study material.

Module outline

  1. Child Development and Pedagogy: विकास की अवधारणा / Concept of Development, विकास के मनोवैज्ञानिक सिद्धांत / Psychological Theories of Development, व्यक्तिगत भिन्नताएँ, व्यक्तित्व एवं जेंडर / Individual Differences, Personality and Gender, बुद्धि एवं सृजनात्मकता / Intelligence and Creativity, अधिगम एवं इसके सिद्धांत / Learning and Its Theories, बालक कैसे सोचते एवं सीखते हैं / How Children Think and Learn, संवेग, अभिप्रेरणा, मानसिक स्वास्थ्य एवं निर्देशन / Emotion, Motivation, Mental Health and Guidance, समावेशी शिक्षा / Inclusive Education, शिक्षण-अधिगम प्रक्रिया / Teaching-Learning Process, शिक्षण विधियाँ एवं रणनीतियाँ / Teaching Methods and Strategies, आकलन एवं मूल्यांकन / Assessment and Evaluation, पाठ योजना और शिक्षण कौशल / Lesson Planning and Teaching Skills, शिक्षण संसाधन और शैक्षिक प्रौद्योगिकी / Teaching Resources and Educational Technology, कक्षा प्रबंधन और सम्प्रेषण / Classroom Management and Communication, शिक्षक पहचान और व्यावसायिक विकास / Teacher Identity and Professional Development, शैक्षिक विचारक, उद्देश्य एवं राष्ट्रीय नीतियाँ / Educational Thinkers, Aims and National Policies, जीवन कौशल, मूल्य, शांति एवं पर्यावरण शिक्षा / Life Skills, Values, Peace and Environmental Education, सामाजिक विज्ञान शिक्षणशास्त्र / Social Science Pedagogy, सामाजिक एवं राजनीतिक जीवन / Social and Political Life, विज्ञान शिक्षण शास्त्र / Science Pedagogy
  2. Language I — Hindi: भाषा, लिपि और वर्ण-विचार, संधि, शब्द-स्रोत और शब्द-रचना, समास, शब्द-भेद: विकारी और अविकारी, लिंग, वचन, कारक, काल और वाच्य, वाक्य-विचार और शुद्ध लेखन, शब्द-भंडार, रस, छंद, अलंकार और शब्द-शक्ति, हिंदी साहित्य, अपठित बोध, हिंदी शिक्षणशास्त्र, शिक्षा में ICT / ICT in Education
  3. Language II — English: Sounds, Spelling and Word Formation, Parts of Speech, Nouns and Pronouns, Articles, Determiners and Adjectives, Verbs and Modals, Tenses and Subject–Verb Agreement, Adverbs, Prepositions and Conjunctions, Sentence Structure, Voice and Narration, Vocabulary, Sentence Correction and Writing Skills, Poetry and English Literature, Reading Comprehension, Pedagogy of English Language
  4. Language II — Urdu: رسم الخط، املا اور تلفظ, ذخیرۂ الفاظ, قواعد, محاورے اور ضرب الامثال, شعر و سخن, اردو ادب کی تاریخ, تفہیمِ عبارت, اردو کی تدریس
  5. Language II — Sanskrit: वर्णविचारः एवं संज्ञाप्रकरणम्, सन्धिप्रकरणम्, शब्दरूपाणि, धातुरूपाणि, कारकाणि एवं विभक्तयः, उपसर्गाः एवं अव्ययानि, प्रत्ययप्रकरणम्, समासप्रकरणम्, वाच्यप्रकरणम्, संख्याज्ञानम्, शब्दज्ञानम् एवं अनुवादः, अपठितावबोधनम्, संस्कृतसाहित्यम् एवं काव्यशास्त्रम्, संस्कृतशिक्षणशास्त्रम्
  6. Mathematics: संख्या पद्धति एवं स्थानीय मान / Number System & Place Value, मूलभूत संक्रियाएँ, सरलीकरण एवं पैटर्न / Basic Operations, Simplification & Patterns, गुणनखंड, विभाज्यता, म.स.प. एवं ल.स.प. / Factors, Divisibility, HCF & LCM, भिन्न एवं दशमलव / Fractions & Decimals, वर्ग, घन, घातांक एवं करणी / Squares, Cubes, Exponents & Surds, मापन: लंबाई, भार, धारिता, समय एवं मुद्रा / Measurement: Length, Mass, Capacity, Time & Money, बीजगणित / Algebra, अनुपात, समानुपात, औसत एवं आयु / Ratio, Proportion, Average & Ages, प्रतिशत, लाभ-हानि एवं ब्याज / Percentage, Profit–Loss & Interest, समय-कार्य एवं चाल-दूरी / Time & Work and Speed–Distance, रेखाएँ, कोण, आकृतियाँ एवं निर्देशांक / Lines, Angles, Shapes & Coordinates, त्रिभुज, चतुर्भुज, वृत्त एवं त्रिकोणमिति / Triangles, Quadrilaterals, Circles & Trigonometry, क्षेत्रमिति: परिमाप, क्षेत्रफल एवं आयतन / Mensuration: Perimeter, Area & Volume, आँकड़ा प्रबंधन, सांख्यिकी एवं प्रायिकता / Data Handling, Statistics & Probability, गणित शिक्षणशास्त्र / Mathematics Pedagogy, गणितीय संक्रियाएँ एवं अंकगणितीय तर्क / Mathematical Operations & Arithmetical Reasoning
  7. Environmental Studies: परिवार, मित्र और समुदाय / Family, Friends and Community, पौधे / Plants, जंतु / Animals, खेती और पशुपालन / Farming and Animal Husbandry, भोजन और पोषण / Food and Nutrition, शरीर और स्वास्थ्य / Body and Health, जल / Water, आवास / Shelter, यात्रा, परिवहन और संचार / Travel, Transport and Communication, मानचित्र, दिशाएँ और भारत / Maps, Directions and India, हम क्या बनाते और करते हैं / Things We Make and Do, पृथ्वी, आकाश और आपदाएँ / Earth, Sky and Disasters, पर्यावरण, पारिस्थितिकी और वन्यजीव / Environment, Ecology and Wildlife, प्राकृतिक संसाधन, प्रदूषण और जलवायु परिवर्तन / Natural Resources, Pollution and Climate Change, पर्यावरण अध्ययन का शिक्षणशास्त्र / Pedagogy of Environmental Studies, प्राचीन भारत का इतिहास / Ancient Indian History, पृथ्वी, ग्लोब एवं मानचित्र / Earth, Globe and Maps, भौतिक भूगोल / Physical Geography, प्राकृतिक वनस्पति, वन्य जीवन एवं विश्व के प्रदेश / Natural Vegetation, Wildlife and World Regions, भारत का भूगोल / Geography of India, संसाधन एवं विकास / Resources and Development, भारतीय संविधान / Indian Constitution, सरकार: केंद्र, राज्य एवं स्थानीय / Government: Union, State and Local, बल, दाब, कार्य एवं ऊर्जा / Force, Pressure, Work and Energy, ऊष्मा एवं ध्वनि / Heat and Sound, प्रकाश / Light, ब्रह्मांड एवं प्राकृतिक परिघटनाएँ / Universe and Natural Phenomena, पदार्थ एवं उसकी संरचना / Matter and Its Structure, धातु, अधातु एवं दैनिक उपयोग की सामग्री / Metals, Non-metals and Materials of Daily Use, सजीव जगत: वर्गीकरण, कोशिका एवं ऊतक / Living World: Classification, Cell and Tissues, मानव शरीर एवं अंग तंत्र / Human Body and Organ Systems, भोजन, पोषण एवं स्वास्थ्य / Food, Nutrition and Health, पर्यावरण एवं पारिस्थितिकी / Environment and Ecology, उत्तर प्रदेश सामान्य ज्ञान / Uttar Pradesh GK, पादपों में पोषण, परिवहन एवं जनन / Plants: Nutrition, Transport and Reproduction, खेल जगत / Sports, अंतरराष्ट्रीय संबंध एवं संगठन / International Relations & Organisations, प्रमुख नियुक्तियाँ एवं पदधारक / Key Appointments & Office Holders
  8. अतिरिक्त अभ्यास / Extra Practice (beyond syllabus): भारतीय अर्थव्यवस्था: आँकड़े एवं समसामयिकी / Indian Economy: Data & Current Affairs, भारतीय कला एवं संस्कृति / Indian Art & Culture, विज्ञान एवं प्रौद्योगिकी / Science & Technology, पर्यावरण एवं जलवायु समसामयिकी / Environment & Climate Affairs, रक्षा एवं सुरक्षा / Defence & Security, स्थिर सामान्य ज्ञान / Static General Knowledge, सरकारी योजनाएँ, शासन एवं आधारभूत संरचना / Government Schemes, Governance & Infrastructure, क्रम, बैठक व्यवस्था एवं पहेली / Ranking, Seating Arrangement & Puzzles, कैलेंडर एवं घड़ी / Calendar & Clock, पासा एवं घन / Dice & Cubes, मध्यकालीन भारत का इतिहास / Medieval Indian History, औपनिवेशिक भारत एवं समाज सुधार / Colonial India and Social Reform, भारतीय राष्ट्रीय आंदोलन एवं स्वतंत्र भारत / Indian National Movement and Independent India, प्रौद्योगिकी, मापन एवं गति / Technology, Measurement and Motion, रासायनिक अभिक्रियाएँ, अम्ल, क्षार एवं लवण / Chemical Reactions, Acids, Bases and Salts, अर्थशास्त्र एवं भारतीय अर्थव्यवस्था / Economics and Indian Economy, विद्युत एवं चुंबकत्व / Electricity and Magnetism, बिहार सामान्य ज्ञान / Bihar GK, राजस्थान सामान्य ज्ञान / Rajasthan GK, पाठ्यचर्या और विद्यालयी गतिविधियाँ / Curriculum and School Activities, कंप्यूटर हार्डवेयर एवं परिधीय उपकरण / Computer Hardware and Peripherals
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This educational video presents a method for determining the day of the week for a given date, focusing on the technique of breaking down the year into pieces. The instructor, Yash Jain Sir, introduces the concept with a question about the day of the week for March 12, 1922. The core method involves decomposing the year into its constituent parts: the number of centuries, the number of decades, and the remaining years. A table is displayed on the left, providing the number of odd days for different century blocks (e.g., 100 years = 5 odd days, 200 years = 3 odd days, 300 years = 1 odd day, 400 years = 0 odd days). The instructor demonstrates this by breaking 1921 into 1600 + 300 + 21, then calculating the odd days for each segment. This process is repeated for other dates, including July 17, 1863, January 7, 2022, October 22, 2597, October 22, 1198, and October 22, 772, to illustrate the consistent application of the method. 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 slide for a lesson on 'CONCEPT OF BREAKING YEAR INTO PIECES'. The instructor, Yash Jain Sir, introduces the topic with a question: 'Which day lied on 12th March 1922?'. A table on the left lists the number of odd days for different century blocks: 100 years = 5, 200 years = 3, 300 years = 1, and 400 years = 0. The instructor begins to break down the year 1921 (the year before 1922) into 1600 + 300 + 21, writing '1921 = 1600 + 300 + 21' on the screen. The instructor explains that the number of odd days for 1600 years is 0, as 1600 is a multiple of 400, and the number of odd days for 300 years is 1, as per the table.

  2. 2:00 – 5:00 02:00-05:00

    The instructor continues the calculation for the year 1921. He explains that 21 years consist of 5 leap years and 16 ordinary years, resulting in (5 x 2) + (16 x 1) = 26 odd days. He then calculates 26 mod 7, which equals 5, so 21 years contribute 5 odd days. The total odd days for 1921 are 0 (from 1600) + 1 (from 300) + 5 (from 21) = 6 odd days. The instructor then applies this to the date March 12, 1922, by adding the odd days from the year (6) to the days in the month (12), resulting in 6 + 12 = 18. He calculates 18 mod 7 = 4, which corresponds to Thursday. The instructor then moves to the next example, asking 'Which day lied on 17th July 1863?'. He breaks down 1862 into 1600 + 200 + 62, and calculates the odd days for each segment: 0 for 1600, 3 for 200, and 1 for 62 (since 62 years have 15 leap years and 47 ordinary years, totaling 15*2 + 47*1 = 77 odd days, and 77 mod 7 = 0). The total odd days for 1862 are 0 + 3 + 0 = 3. He then adds the days in July (17) to get 3 + 17 = 20, and 20 mod 7 = 6, which corresponds to Saturday.

  3. 5:00 – 6:06 05:00-06:06

    The instructor proceeds to the next example: 'Which day lied on 7th January 2022?'. He breaks down 2021 into 2000 + 21. He states that 2000 years have 0 odd days (since 2000 is a multiple of 400), and 21 years have 5 odd days (as calculated earlier). The total odd days for 2021 are 0 + 5 = 5. He adds the days in January (7) to get 5 + 7 = 12, and 12 mod 7 = 5, which corresponds to Friday. He then moves to the next example: 'Which day lied on 22nd October 2597?'. He breaks down 2596 into 2400 + 196. He states that 2400 years have 0 odd days (since 2400 is a multiple of 400), and 196 years have 1 odd day (since 196 years have 49 leap years and 147 ordinary years, totaling 49*2 + 147*1 = 245 odd days, and 245 mod 7 = 0). The total odd days for 2596 are 0 + 0 = 0. He adds the days in October (22) to get 0 + 22 = 22, and 22 mod 7 = 1, which corresponds to Monday. The video ends with a 'Thanks for Watching' screen.

The video systematically teaches a method for calculating the day of the week for any given date by breaking the year into manageable pieces. The core concept is the use of 'odd days'—the remainder when the number of days in a period is divided by 7. The method relies on a pre-defined table for the number of odd days in century blocks (100, 200, 300, 400 years). The instructor demonstrates a consistent process: 1) Break the year into a sum of century blocks and a remainder (e.g., 1921 = 1600 + 300 + 21). 2) Use the table to find the odd days for each century block. 3) Calculate the odd days for the remaining years. 4) Sum the odd days from all parts of the year. 5) Add the number of days in the target month. 6) Divide the total by 7 and use the remainder to determine the day of the week. This structured approach is applied to multiple examples, reinforcing the technique.

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