Class 6Social ScienceWhat, Where, How and When?

Calendar and Dates

BC (Before Christ) / BCE (Before Common Era): years before Jesus Christ's birth. AD (Anno Domini) / CE (Common Era): years after. Dates go forward in CE and backward in BCE. Indian subcontinent has its own calendar systems: Saka calendar, Hindu calendar.

How to study this topic

Read the core explanation once without solving.
Open the formula links below and connect them with the topic meaning.
Practice the 10 example pages one by one.
Use the AI ask page for text, voice or image-based doubts.

10 example pages

Concept check 1

For Class 6 Social Science, explain or solve a calendar and dates question from the chapter "What, Where, How and When?". Focus on concept check and show the working clearly.

Definition to application 2

For Class 6 Social Science, explain or solve a calendar and dates question from the chapter "What, Where, How and When?". Focus on definition to application and show the working clearly.

Formula warm-up 3

For Class 6 Social Science, explain or solve a calendar and dates question from the chapter "What, Where, How and When?". Focus on formula warm-up and show the working clearly.

Reasoning practice 4

For Class 6 Social Science, explain or solve a calendar and dates question from the chapter "What, Where, How and When?". Focus on reasoning practice and show the working clearly.

Board-style short answer 5

For Class 6 Social Science, explain or solve a calendar and dates question from the chapter "What, Where, How and When?". Focus on board-style short answer and show the working clearly.

Mistake correction 6

For Class 6 Social Science, explain or solve a calendar and dates question from the chapter "What, Where, How and When?". Focus on mistake correction and show the working clearly.

Visual interpretation 7

For Class 6 Social Science, explain or solve a calendar and dates question from the chapter "What, Where, How and When?". Focus on visual interpretation and show the working clearly.

Applied word problem 8

For Class 6 Social Science, explain or solve a calendar and dates question from the chapter "What, Where, How and When?". Focus on applied word problem and show the working clearly.

Revision challenge 9

For Class 6 Social Science, explain or solve a calendar and dates question from the chapter "What, Where, How and When?". Focus on revision challenge and show the working clearly.

Exam recap 10

For Class 6 Social Science, explain or solve a calendar and dates question from the chapter "What, Where, How and When?". Focus on exam recap and show the working clearly.