Time Calculation Methods
Geography ⇒ Geographical Skills and Techniques
Time Calculation Methods starts at 7 and continues till grade 12.
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Describe the difference between local time and standard time.
Describe the purpose of the International Date Line in time calculation.
Explain how to calculate the local time of a place if the time at Greenwich and its longitude are known.
Explain the concept of local time and how it is determined for a place.
Explain the significance of 82°30'E as the standard meridian for India.
Explain why countries like Russia and the USA have multiple time zones.
Explain why the International Date Line is not a straight line.
If a place is located at 105°E and the local time is 3:00 PM, what is the time at Greenwich?
What is the standard meridian of India in degrees of longitude? (1) 82°30'E (2) 90°E (3) 75°E (4) 0°
Which longitude is used as the Prime Meridian? (1) 0° (2) 90°E (3) 180° (4) 82°30'E
Which of the following is NOT a method of time calculation? (1) Local time (2) Standard time (3) Solar time (4) Lunar time
Which of the following is NOT true about time zones? (1) Each time zone is 15° wide (2) All countries follow the same time zone (3) Time zones help standardize time (4) Time zones are based on longitude
Fill in the blank: Each time zone generally covers ______ degrees of longitude.
Fill in the blank: The difference in time between two places 45 degrees apart in longitude is ______ hours.
Fill in the blank: The Earth rotates from ______ to ______.
Fill in the blank: The International Date Line is located at approximately ______ degrees longitude.
True or False: The Earth completes one rotation in 24 hours.
True or False: The Earth rotates 15 degrees of longitude per hour.
True or False: The standard time of a country is always based on the longitude passing through its capital city.
True or False: The time at 180° longitude is the same as at 0° longitude.
