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Time Zones and International Date Line

1 UPSC Prelims MCQs tagged "Time Zones and International Date Line". Free practice with answer keys, explanations, and timed mock tests on Anantam IAS.

Agriculture and Allied Activities 56 Money, Banking and Monetary Policy 43 Environmental Pollution 43 Biotechnology 37 Parliament 33 Climate Change 32 Finance and Financial Markets 29 Emerging Technologies 28 Trade and External Sector 26 Life Sciences 26 Core Concepts and Foundational Science 20 Public Finance in India 19 International Environmental Framework 18 Continents 18 Religions in India 18 Fundamental Rights 18 Concept and Salient Features of the Constitution 17 Indian Biodiversity - Fauna 17 Renewable Energy 16 Major Physical Divisions of India 16 Multilateral Groupings 16 International Institutions 15 Art and Architecture 15 Drainage System 15 Institutional Measures for Environment Conservation 14 Regional Groupings 14 Rivers and Drainage 14 Infrastructure and Investment Models in India 14 Atmosphere 13 Space Technology 13

  1. Consider the following statements:

    Consider the following statements:

    1. AOnly 1
    2. BOnly 2
    3. CBoth 1 and 2
    4. DNeither 1 nor 2
    Answer and explanation

    Correct answer: C

    Papeete (150 W) is at UTC-10 and Port Moresby (150 E) is at UTC+10, a 20-hour gap. For statement 1, departing Papeete 4 p.m. Monday converts to 02:00 Tuesday UTC, and arriving Port Moresby 6 a.m. Wednesday is 20:00 Tuesday UTC, giving an 18-hour flight. For statement 2, departing Port Moresby noon Wednesday is 02:00 Wednesday UTC, and arriving Papeete 11 a.m. Wednesday is 21:00 Wednesday UTC, a 19-hour flight. Both are internally consistent.

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    CSAT UPSC GPSC-2026 Hard