NCERT Revision Notes for Class 3 Maths Chapter 13: Time Goes On – Free PDF Download

A quick summary of Class 3 Maths Chapter 13 — reading a clock at half-past, quarter-past, and quarter-to, and using a calendar.

Last Updated: September 10, 2026

Class 3 Maths Chapter 13 Revision Notes: Time Goes On

Chapter type: Measurement of time — clock-reading beyond o’clock, and calendar use.

Key ideas to remember:

Half past xe2x80x94 30 minutes after the hour; the minute hand points to 6.

Quarter past xe2x80x94 15 minutes after the hour; the minute hand points to 3.

Quarter to xe2x80x94 15 minutes before the next hour; the minute hand points to 9.

Calendar reading xe2x80x94 using a monthly calendar to find dates, days of the week, and count days until an event.

What you should be able to do after this chapter:

1. Read a clock showing half-past, quarter-past, or quarter-to a given hour.
2. Use a calendar to find the day of the week for a given date.
3. Count the number of days between two dates using a calendar.

Remember: Minute hand on 12 is o’clock, on 3 is quarter past, on 6 is half past, and on 9 is quarter to the next hour — these four clock positions cover most everyday time-telling needs at this stage.

Frequently Asked Questions

Will this chapter cover reading the clock to the exact minute?
This chapter focuses on o’clock, half-past, quarter-past, and quarter-to; reading to the exact minute is usually developed further in later classes.

How does this chapter connect to Class 2?
It extends Which Season is it?’s o’clock time-telling to half-past and quarter-hour readings, and builds fuller calendar skills.

Written by Satish

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