Measuring longitude required accurate timekeeping, which was not as precise in ancient times, leading to slight deviations for some cities from the Ujjayinī meridian. Class VI NCERT Social Science NCERT Social Science Textbook Exploring Society India and Beyond Session 2024-2025.
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The Ujjayinī meridian was used as a reference for calculations in Indian astronomical texts and was an important center for astronomy. NCERT Book Exploring Society India and Beyond Class 6 Class 6 Social Science NCERT Chapter 1 Locating place ...
Varāhamihira, a renowned astronomer, lived and worked in Ujjayinī around 1,500 years ago. NCERT Book Exploring Society India and Beyond Class 6 Class 6 Social Science NCERT Chapter 1 Locating place on the Earth.
India’s ancient prime meridian was called madhya rekhā or the “middle line,” which passed through the city of Ujjayinī (modern-day Ujjain). Class VI NCERT Social Science NCERT Social Science Textbook Exploring Society India and Beyond Session 2024-2025.
Letters and numbers help to precisely identify each square, making it easier for players to record and analyze moves during the game. Class VI Book Exploring Society India and Beyond Class 6 Social Science Chapter 1 Locating Places on the ...