NCERT Class 4 Mathematics Math-Mela: Chapter 12 — Ticking Clocks and Ticking Clocks and Turning Calendar Turning Calendar
This chapter, Ticking Clocks and Turning Calendars, from NCERT's Class 4 Mathematics Math-Mela, introduces students to the concepts of leap years and calendar calculations. It explains that leap years have an extra day in February, occurring every four years. Students will practice identifying leap years, counting days in months, and understanding the sequence of days and dates. The chapter also touches upon calculating age differences and understanding date formats (DD/MM/YYYY). Through interactive exercises, students learn to fill in calendars, determine days of the week, and find future dates. This foundational knowledge in time and calendar management is crucial for developing logical reasoning and problem-solving skills in mathematics for CBSE students.
Quick info
| Board | CBSE / NCERT |
|---|---|
| Class | Class 4 |
| Subject | Mathematics |
| Book | Math-Mela |
| Chapter | Chapter 12 — Ticking Clocks and Ticking Clocks and Turning Calendar Turning Calendar |
| Language | English |
| PDF type | NCERT Textbook |
| Session | CBSE 2026 |
| Reading time | 2 minutes |
| Word count | 299 |
Learning outcomes
- Identify leap years and understand their significance.
- Determine the number of days in February for different years.
- Calculate consecutive leap years.
- Understand and use the DD/MM/YYYY date format.
- Calculate future dates and days of the week.
- Understand the concept of age and birth dates.
Vocabulary
| Word | Meaning |
|---|---|
| Leap Year | A year with an additional day in February, occurring every four years. |
| Consecutive | Following continuously; in unbroken or logical sequence. |
| Birthday | The anniversary of the day on which a person was born. |
| Calendar | A system of organizing days for social, religious, commercial or administrative purposes. |
| Date | The day of the month or year as distinguished by its number. |
| Today | The present day. |
| Yesterday | The day before today. |
| Tomorrow | The day after today. |
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Practice questions
- How many days are there in February 2024? Answer: 29 days (since 2024 is a leap year).
- How many days are there in February 2025? Answer: 28 days (since 2025 is not a leap year).
- Fill in the blank: 2020, 2024, ______, 2032. Answer: 2028
- If July 1 is a Monday, what is the date of the next Monday? Answer: July 8
- Laali was born on 04/07/2014. How old will she be on 04/07/2024? Answer: 10 years old.
Frequently asked questions
What is a leap year?
A leap year is a year that has an extra day in February, making it 366 days long instead of the usual 365. This extra day occurs every four years.
How do I know if a year is a leap year?
A year is a leap year if it is divisible by 4. For example, 2024 is a leap year because 2024 divided by 4 is 506.
How many days are in February during a leap year?
February has 29 days in a leap year.
How many days are in February during a non-leap year?
February has 28 days in a non-leap year.
What does the date format DD/MM/YYYY mean?
DD represents the day, MM represents the month, and YYYY represents the year. For example, 04/07/2024 means the 4th day of the 7th month (July) in the year 2024.
If today is Wednesday, what day was yesterday?
Yesterday was Tuesday.
If today is Wednesday, what day will tomorrow be?
Tomorrow will be Thursday.
Related resources
Important topics
Topics covered
NCERT Class 4 Mathematics — Math-Mela — Chapter 12 — Ticking Clocks and Ticking Clocks and Turning Calendar Turning Calendar. Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.