{
  "title": "Time Zones Basic (Time and Calendar) - Grade 4 ICSE",
  "total_questions": 60,
  "questions": [
    {
      "id": 1,
      "difficulty": "easy",
      "question": "The Earth is divided into time zones because of the Earth's ________. 🌍",
      "options": {
        "A": "Rotation",
        "B": "Revolution",
        "C": "Size",
        "D": "Gravity"
      },
      "correct_answer": "A"
    },
    {
      "id": 2,
      "difficulty": "easy",
      "question": "How many time zones are there in the world approximately? 🕐",
      "options": { "A": "12", "B": "24", "C": "36", "D": "48" },
      "correct_answer": "B"
    },
    {
      "id": 3,
      "difficulty": "easy",
      "question": "When it is day in India, it is night in which country? 🌞🌜",
      "options": { "A": "China", "B": "USA", "C": "Japan", "D": "Australia" },
      "correct_answer": "B"
    },
    {
      "id": 4,
      "difficulty": "easy",
      "question": "What is the time difference between each time zone? ⏲️",
      "options": {
        "A": "30 minutes",
        "B": "1 hour",
        "C": "2 hours",
        "D": "15 minutes"
      },
      "correct_answer": "B"
    },
    {
      "id": 5,
      "difficulty": "easy",
      "question": "If it is 12:00 noon in Delhi, what time is it in London if London is 5 hours behind? 🇮🇳🇬🇧",
      "options": {
        "A": "5:00 AM",
        "B": "7:00 AM",
        "C": "5:00 PM",
        "D": "7:00 PM"
      },
      "correct_answer": "B"
    },
    {
      "id": 6,
      "difficulty": "easy",
      "question": "Which city's time is used as a reference for world time zones? 🗺️",
      "options": {
        "A": "London (GMT)",
        "B": "New York",
        "C": "Tokyo",
        "D": "Moscow"
      },
      "correct_answer": "A"
    },
    {
      "id": 7,
      "difficulty": "easy",
      "question": "If you travel east, time gets ________. ➡️",
      "options": { "A": "Earlier", "B": "Later", "C": "Same", "D": "Faster" },
      "correct_answer": "B"
    },
    {
      "id": 8,
      "difficulty": "easy",
      "question": "India's standard time is based on which city? 🇮🇳",
      "options": {
        "A": "Mumbai",
        "B": "Kolkata",
        "C": "Chennai",
        "D": "Mirzapur (near Allahabad)"
      },
      "correct_answer": "D"
    },
    {
      "id": 9,
      "difficulty": "easy",
      "question": "What does GMT stand for? 🌐",
      "options": {
        "A": "Global Mean Time",
        "B": "Greenwich Mean Time",
        "C": "General Meridian Time",
        "D": "Green Mean Time"
      },
      "correct_answer": "B"
    },
    {
      "id": 10,
      "difficulty": "easy",
      "question": "If it's 10:00 AM in Tokyo (Japan) and Tokyo is 2 hours ahead of India, what time is it in India? 🇯🇵",
      "options": {
        "A": "12:00 PM",
        "B": "8:00 AM",
        "C": "10:00 AM",
        "D": "9:00 AM"
      },
      "correct_answer": "B"
    },
    {
      "id": 11,
      "difficulty": "easy",
      "question": "When we have daylight in India, which country is experiencing darkness? 🌓",
      "options": {
        "A": "Sri Lanka",
        "B": "Bangladesh",
        "C": "Brazil",
        "D": "Pakistan"
      },
      "correct_answer": "C"
    },
    {
      "id": 12,
      "difficulty": "easy",
      "question": "If you cross the International Date Line going east, you ________ a day. 📅",
      "options": { "A": "Gain", "B": "Lose", "C": "Repeat", "D": "Skip" },
      "correct_answer": "B"
    },
    {
      "id": 13,
      "difficulty": "easy",
      "question": "What is IST? 🇮🇳",
      "options": {
        "A": "Indian Standard Time",
        "B": "International Standard Time",
        "C": "Indian Summer Time",
        "D": "India Tokyo Time"
      },
      "correct_answer": "A"
    },
    {
      "id": 14,
      "difficulty": "easy",
      "question": "If Dubai is 1.5 hours behind India, and it's 6:00 PM in India, what time is it in Dubai? 🏙️",
      "options": {
        "A": "4:30 PM",
        "B": "7:30 PM",
        "C": "5:30 PM",
        "D": "6:30 PM"
      },
      "correct_answer": "A"
    },
    {
      "id": 15,
      "difficulty": "easy",
      "question": "Which country has the most time zones? 🗺️",
      "options": { "A": "USA", "B": "Russia", "C": "China", "D": "Australia" },
      "correct_answer": "B"
    },
    {
      "id": 16,
      "difficulty": "easy",
      "question": "If New York is 10 hours behind India, and it's 9:00 AM in India, what time is it in New York? 🗽",
      "options": {
        "A": "11:00 PM (previous day)",
        "B": "7:00 AM",
        "C": "11:00 AM",
        "D": "7:00 PM"
      },
      "correct_answer": "A"
    },
    {
      "id": 17,
      "difficulty": "easy",
      "question": "The International Date Line is in which ocean? 🌊",
      "options": {
        "A": "Atlantic",
        "B": "Indian",
        "C": "Pacific",
        "D": "Arctic"
      },
      "correct_answer": "C"
    },
    {
      "id": 18,
      "difficulty": "easy",
      "question": "If you fly from India to the USA, you will reach ________. ✈️",
      "options": {
        "A": "The same day",
        "B": "The next day",
        "C": "The previous day",
        "D": "Two days later"
      },
      "correct_answer": "C"
    },
    {
      "id": 19,
      "difficulty": "easy",
      "question": "What is the time difference between India and Pakistan? 🇮🇳🇵🇰",
      "options": {
        "A": "India is 30 minutes ahead",
        "B": "Pakistan is 30 minutes ahead",
        "C": "India is 1 hour ahead",
        "D": "Same time"
      },
      "correct_answer": "A"
    },
    {
      "id": 20,
      "difficulty": "easy",
      "question": "If a live match starts at 8:00 PM IST, and you are in London (GMT), at what time will you watch it? 📺",
      "options": {
        "A": "1:30 PM",
        "B": "2:30 PM",
        "C": "3:30 PM",
        "D": "4:30 PM"
      },
      "correct_answer": "B"
    },

    {
      "id": 21,
      "difficulty": "medium",
      "question": "If a flight leaves Delhi at 10:00 AM IST and flies 5 hours to Dubai (which is 1.5 hours behind IST), what time will you land in Dubai? ✈️",
      "options": {
        "A": "11:30 AM Dubai time",
        "B": "12:30 PM Dubai time",
        "C": "1:30 PM Dubai time",
        "D": "2:30 PM Dubai time"
      },
      "correct_answer": "C"
    },
    {
      "id": 22,
      "difficulty": "medium",
      "question": "Sydney, Australia, is 5.5 hours ahead of India. If it's 1:00 PM in India, what time is it in Sydney? 🇦🇺",
      "options": {
        "A": "6:30 PM",
        "B": "7:30 PM",
        "C": "6:00 PM",
        "D": "7:00 PM"
      },
      "correct_answer": "A"
    },
    {
      "id": 23,
      "difficulty": "medium",
      "question": "If you call a friend in California at 9:00 PM IST, and California is 12.5 hours behind IST, what time is it there? 📞",
      "options": {
        "A": "8:30 AM",
        "B": "9:30 AM",
        "C": "10:30 AM",
        "D": "7:30 AM"
      },
      "correct_answer": "A"
    },
    {
      "id": 24,
      "difficulty": "medium",
      "question": "A webinar is at 3:00 PM GMT. What time is it in India (IST = GMT+5:30)? 💻",
      "options": {
        "A": "8:30 PM",
        "B": "9:30 PM",
        "C": "8:00 PM",
        "D": "9:00 PM"
      },
      "correct_answer": "A"
    },
    {
      "id": 25,
      "difficulty": "medium",
      "question": "If it's 7:00 AM on Monday in London (GMT), what day and time is it in New York (GMT-5)? 🌍",
      "options": {
        "A": "2:00 AM Monday",
        "B": "2:00 AM Sunday",
        "C": "12:00 AM Monday",
        "D": "12:00 PM Monday"
      },
      "correct_answer": "A"
    },
    {
      "id": 26,
      "difficulty": "medium",
      "question": "Moscow is 2.5 hours behind India. If a Moscow TV show airs at 8:00 PM Moscow time, when should you watch in India? 📺",
      "options": {
        "A": "10:30 PM",
        "B": "9:30 PM",
        "C": "8:30 PM",
        "D": "11:30 PM"
      },
      "correct_answer": "A"
    },
    {
      "id": 27,
      "difficulty": "medium",
      "question": "If you travel west across time zones, you ________ time. ⏳",
      "options": { "A": "Gain", "B": "Lose", "C": "Keep same", "D": "Double" },
      "correct_answer": "A"
    },
    {
      "id": 28,
      "difficulty": "medium",
      "question": "A live football match in Brazil starts at 6:00 PM Brazil time (GMT-3). What time is it in India (GMT+5:30)? ⚽",
      "options": {
        "A": "2:30 AM next day",
        "B": "3:30 AM next day",
        "C": "1:30 AM next day",
        "D": "12:30 AM next day"
      },
      "correct_answer": "A"
    },
    {
      "id": 29,
      "difficulty": "medium",
      "question": "If a planet takes 10 hours to rotate once, how many time zones would it have? 🪐",
      "options": { "A": "10", "B": "12", "C": "24", "D": "5" },
      "correct_answer": "A"
    },
    {
      "id": 30,
      "difficulty": "medium",
      "question": "Kathmandu, Nepal, is 15 minutes ahead of India. If it's 12:00 noon in Delhi, what time is it in Kathmandu? 🏔️",
      "options": {
        "A": "12:15 PM",
        "B": "11:45 AM",
        "C": "12:30 PM",
        "D": "1:00 PM"
      },
      "correct_answer": "A"
    },
    {
      "id": 31,
      "difficulty": "medium",
      "question": "China uses only one time zone for the whole country even though it's wide. If it's 8:00 AM in Beijing, what time is it in western China geographically? 🇨🇳",
      "options": {
        "A": "8:00 AM",
        "B": "6:00 AM",
        "C": "10:00 AM",
        "D": "12:00 PM"
      },
      "correct_answer": "A"
    },
    {
      "id": 32,
      "difficulty": "medium",
      "question": "If you cross the International Date Line from Japan to USA, and it's Tuesday in Japan, what day is it in USA? 📅",
      "options": {
        "A": "Monday",
        "B": "Tuesday",
        "C": "Wednesday",
        "D": "Sunday"
      },
      "correct_answer": "A"
    },
    {
      "id": 33,
      "difficulty": "medium",
      "question": "A flight from Singapore (GMT+8) to London (GMT) takes 13 hours. If it departs at 10:00 AM Singapore time, when will it land in London? ✈️",
      "options": {
        "A": "3:00 PM London time",
        "B": "4:00 PM London time",
        "C": "5:00 PM London time",
        "D": "6:00 PM London time"
      },
      "correct_answer": "A"
    },
    {
      "id": 34,
      "difficulty": "medium",
      "question": "If the Sun rises at 6:00 AM in Kolkata, at what time will it rise in Mumbai (which is west of Kolkata)? 🌅",
      "options": {
        "A": "Around 6:00 AM",
        "B": "Around 6:30 AM",
        "C": "Around 5:30 AM",
        "D": "Around 7:00 AM"
      },
      "correct_answer": "B"
    },
    {
      "id": 35,
      "difficulty": "medium",
      "question": "If a global online exam starts at 12:00 UTC, what time is it in India (IST)? 🖥️",
      "options": {
        "A": "5:30 PM",
        "B": "6:30 PM",
        "C": "5:00 PM",
        "D": "6:00 PM"
      },
      "correct_answer": "A"
    },
    {
      "id": 36,
      "difficulty": "medium",
      "question": "What is the time difference between India and Bangladesh? 🇧🇩",
      "options": {
        "A": "30 minutes",
        "B": "1 hour",
        "C": "Bangladesh is ahead by 30 minutes",
        "D": "Same time"
      },
      "correct_answer": "C"
    },
    {
      "id": 37,
      "difficulty": "medium",
      "question": "If you are in India and want to wish someone 'Happy New Year' exactly when it strikes 12:00 AM in London, at what time in India should you call? 🎉",
      "options": {
        "A": "5:30 AM",
        "B": "5:30 PM",
        "C": "12:00 AM",
        "D": "6:30 AM"
      },
      "correct_answer": "A"
    },
    {
      "id": 38,
      "difficulty": "medium",
      "question": "A news broadcast happens at 9:00 PM EST (New York). What time is it in India (IST) if EST is GMT-5? 📰",
      "options": {
        "A": "7:30 AM next day",
        "B": "8:30 AM next day",
        "C": "9:30 AM next day",
        "D": "6:30 AM next day"
      },
      "correct_answer": "A"
    },
    {
      "id": 39,
      "difficulty": "medium",
      "question": "If it's 3:00 PM in India, what time is it in Saudi Arabia (GMT+3)? 🇸🇦",
      "options": {
        "A": "12:30 PM",
        "B": "1:30 PM",
        "C": "2:30 PM",
        "D": "3:30 PM"
      },
      "correct_answer": "A"
    },
    {
      "id": 40,
      "difficulty": "medium",
      "question": "Why does the International Date Line have a zig-zag shape? 🧭",
      "options": {
        "A": "To avoid splitting countries",
        "B": "It follows the equator",
        "C": "To match coastlines",
        "D": "Random design"
      },
      "correct_answer": "A"
    },

    {
      "id": 41,
      "difficulty": "hard",
      "question": "A satellite phone call is made at 14:00 UTC. What is the local time in Perth, Australia (GMT+8)? 📡",
      "options": {
        "A": "10:00 PM",
        "B": "10:00 AM",
        "C": "12:00 AM",
        "D": "12:00 PM"
      },
      "correct_answer": "A"
    },
    {
      "id": 42,
      "difficulty": "hard",
      "question": "If a person flies from Tokyo (GMT+9) to Hawaii (GMT-10) on a 7-hour flight leaving at 9:00 AM Tokyo time, what is the local arrival time? ✈️",
      "options": {
        "A": "9:00 PM previous day",
        "B": "10:00 PM previous day",
        "C": "6:00 AM same day",
        "D": "12:00 AM same day"
      },
      "correct_answer": "A"
    },
    {
      "id": 43,
      "difficulty": "hard",
      "question": "When it is 12:00 noon at 0° longitude (Greenwich), what is the time at 90° East longitude? 🌐",
      "options": {
        "A": "6:00 PM",
        "B": "6:00 AM",
        "C": "12:00 PM",
        "D": "3:00 PM"
      },
      "correct_answer": "A"
    },
    {
      "id": 44,
      "difficulty": "hard",
      "question": "A virtual conference starts at 1500 hours Zulu time (UTC). If you are in Newfoundland, Canada (GMT-3:30), what time do you join? 💻",
      "options": {
        "A": "11:30 AM",
        "B": "12:30 PM",
        "C": "1:30 PM",
        "D": "2:30 PM"
      },
      "correct_answer": "A"
    },
    {
      "id": 45,
      "difficulty": "hard",
      "question": "If you travel eastward around the world and gain 24 hours, how many days have you effectively lost? 🌍",
      "options": { "A": "0", "B": "1", "C": "2", "D": "3" },
      "correct_answer": "B"
    },
    {
      "id": 46,
      "difficulty": "hard",
      "question": "What is the time difference between India (IST) and Chatham Islands, New Zealand (GMT+12:45)? 🇳🇿",
      "options": {
        "A": "7 hours 15 minutes ahead of India",
        "B": "7 hours 15 minutes behind India",
        "C": "6 hours 15 minutes ahead",
        "D": "18 hours behind"
      },
      "correct_answer": "A"
    },
    {
      "id": 47,
      "difficulty": "hard",
      "question": "A space station orbits Earth every 90 minutes. How many sunrises do astronauts see in 24 hours? 🚀",
      "options": { "A": "1", "B": "12", "C": "16", "D": "24" },
      "correct_answer": "C"
    },
    {
      "id": 48,
      "difficulty": "hard",
      "question": "If the International Date Line were a straight line along 180° longitude, which country would be split into two different days? 🗺️",
      "options": { "A": "USA", "B": "Russia", "C": "Fiji", "D": "Kiribati" },
      "correct_answer": "D"
    },
    {
      "id": 49,
      "difficulty": "hard",
      "question": "A ship sails from Fiji (GMT+12) to Tonga (GMT+13) at 1:00 PM on a Tuesday. If the journey takes 2 hours, what day and time do they arrive? 🚢",
      "options": {
        "A": "Tuesday 3:00 PM",
        "B": "Wednesday 3:00 PM",
        "C": "Tuesday 4:00 PM",
        "D": "Wednesday 4:00 PM"
      },
      "correct_answer": "C"
    },
    {
      "id": 50,
      "difficulty": "hard",
      "question": "Calculate: If it's 8:00 AM on January 1 in Kiribati (GMT+14), what is the date and time in Baker Island (GMT-12)? 🏝️",
      "options": {
        "A": "6:00 AM Dec 31",
        "B": "10:00 AM Dec 31",
        "C": "6:00 AM Jan 1",
        "D": "10:00 AM Jan 1"
      },
      "correct_answer": "A"
    },
    {
      "id": 51,
      "difficulty": "hard",
      "question": "A live event is scheduled for 10:00 AM AEDT (Sydney summer time, GMT+11). What time is it in India (IST) during standard time? 🎪",
      "options": {
        "A": "4:30 AM",
        "B": "5:30 AM",
        "C": "6:30 AM",
        "D": "7:30 AM"
      },
      "correct_answer": "A"
    },
    {
      "id": 52,
      "difficulty": "hard",
      "question": "If a place is at 75° West longitude, what is its time zone relative to GMT? (Hint: 15° = 1 hour) 🌐",
      "options": { "A": "GMT-3", "B": "GMT-5", "C": "GMT-6", "D": "GMT-7" },
      "correct_answer": "B"
    },
    {
      "id": 53,
      "difficulty": "hard",
      "question": "When does Daylight Saving Time (DST) usually start in many countries? ⏰",
      "options": { "A": "Spring", "B": "Summer", "C": "Autumn", "D": "Winter" },
      "correct_answer": "A"
    },
    {
      "id": 54,
      "difficulty": "hard",
      "question": "If India observed Daylight Saving, moving clocks 1 hour ahead in summer, what would IST become? 🇮🇳",
      "options": {
        "A": "GMT+4:30",
        "B": "GMT+5:30",
        "C": "GMT+6:30",
        "D": "GMT+7:30"
      },
      "correct_answer": "C"
    },
    {
      "id": 55,
      "difficulty": "hard",
      "question": "A flight from Delhi to San Francisco crosses the International Date Line. If departure is 10:00 AM IST on Monday and flight is 16 hours, what is arrival local time? ✈️",
      "options": {
        "A": "12:30 PM Monday",
        "B": "10:30 AM Tuesday",
        "C": "11:30 PM Monday",
        "D": "11:30 PM Sunday"
      },
      "correct_answer": "A"
    },
    {
      "id": 56,
      "difficulty": "hard",
      "question": "The term 'Zulu time' is used in aviation. What is it? ✈️",
      "options": {
        "A": "Local time in Zimbabwe",
        "B": "Another name for UTC",
        "C": "Time at 0° latitude",
        "D": "Solar time"
      },
      "correct_answer": "B"
    },
    {
      "id": 57,
      "difficulty": "hard",
      "question": "If you are at the North Pole, how many time zones do you cross by just turning around? 🧭",
      "options": { "A": "0", "B": "1", "C": "12", "D": "All 24" },
      "correct_answer": "D"
    },
    {
      "id": 58,
      "difficulty": "hard",
      "question": "A teleconference is set for 1200 GMT. If you are in Arizona, USA (which does not observe DST and is GMT-7), what time is it? 📞",
      "options": {
        "A": "5:00 AM",
        "B": "6:00 AM",
        "C": "7:00 AM",
        "D": "8:00 AM"
      },
      "correct_answer": "A"
    },
    {
      "id": 59,
      "difficulty": "hard",
      "question": "What is the approximate longitudinal extent of India, and how many time zones would it naturally have? 🇮🇳",
      "options": {
        "A": "15°, 1 time zone",
        "B": "30°, 2 time zones",
        "C": "45°, 3 time zones",
        "D": "60°, 4 time zones"
      },
      "correct_answer": "B"
    },
    {
      "id": 60,
      "difficulty": "hard",
      "question": "If Earth rotated twice as fast, how many hours would be in a day, and how many time zones? 🔄",
      "options": {
        "A": "12-hour day, 12 time zones",
        "B": "24-hour day, 24 time zones",
        "C": "12-hour day, 24 time zones",
        "D": "24-hour day, 12 time zones"
      },
      "correct_answer": "A"
    }
  ]
}