The Gregorian calendar is a solar-based calendar with 12 months and a leap year system. It is widely used worldwide for tracking time in years and months. class 6 Social Science Textbook Chapter 4 question answer class 6 Social Science Chapter 4 ...
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The Gregorian calendar is a solar-based calendar with 12 months and a leap year system. It is widely used worldwide for tracking time in years and months. class 6 Social Science Textbook Chapter 4 question answer class 6 Social Science Chapter 4 ...