Chapter 5 of 7

71%

Tamil Nadu (TNBSE)Class 1 Mathematics★ 3-5 marks in TN Class 1 Term 2 exam — days of the week ordering, time-of-day matching, and daily routine sequencing

Time

Samacheer Kalvi (TN State Board) Class 1 Mathematics — Chapter 5, Time. Days, months and daily routines. Study notes, key concepts, worked examples, practice questions and quick revision for exam preparation.

⏱ 10 min readEasy difficulty✓ Free · NCERT-aligned

Worksheet

Podcast

Listen as a conversation

A teacher & a student talk through the chapter — in your language.

Mind Map

The chapter at a glance

Every concept and exam-favourite branch — revisable in 5 minutes.

…

Study Guide

Night-before notes

Key points, glossary and the questions most likely to show up.

…

VocabularyBuild your vocabularyLexiGenome mines the key words and schedules them with spaced repetition.Mine words →

By the end of this chapter you'll be able to…

1Name all seven days of the week in order — Sunday to Saturday (or Monday to Sunday)
2Understand yesterday, today, and tomorrow — if today is Wednesday, yesterday was Tuesday and tomorrow is Thursday
3Identify the four parts of the day — morning, afternoon, evening, night — and typical activities for each
4Sequence daily routine events — waking up, brushing teeth, going to school, eating lunch, playing, sleeping
5Name all 12 months of the year in order

💡

Why this chapter matters

A child's first sense of time comes from routines — waking up, going to school, eating lunch, sleeping at night. This chapter gives children the vocabulary to talk about time: naming the days, understanding yesterday-today-tomorrow, and knowing what activity happens when. It brings order to their day and is the first step towards reading clocks and calendars.

Before you start — revise these

A 5-minute refresher here will save you 30 minutes of confusion below.

🔗

Time — Class 1 Mathematics (Samacheer Kalvi)

TN State Board (Samacheer Kalvi) Class 1 Mathematics, Chapter 5. Days, months and daily routines.

1. About this chapter

This chapter covers Time as part of the Class 1 Samacheer Kalvi Mathematics curriculum. It deals with days, months and daily routines and builds conceptual understanding essential for the TN School Term Exam.

By the end of this chapter, students will be able to:

Name the days of the week
Distinguish morning, afternoon and night

2. Key concepts

Concept 1: Name the days of the week.
Concept 2: Distinguish morning, afternoon and night.

3. Important terms and formulas

Term / Formula	Description
Name the days of…	Name the days of the week
Distinguish morning, afternoon and…	Distinguish morning, afternoon and night

4. Worked examples

Example 1. Applying a key concept from this chapter.

Solution: Identify the relevant principle → apply the formula or rule → state the answer with correct units.

Example 2. A typical exam-style question on time.

Solution: Break the problem into steps, use the appropriate formula and verify the answer.

5. Common mistakes

Mistake: Skipping units or forgetting to state them. Fix: Always write units alongside every quantity and answer.
Mistake: Confusing similar terms or concepts in this chapter. Fix: Make a comparison table of the terms during revision.

6. Practice (exam-style)

Define the main term or principle covered in Chapter 5.
Give two real-life examples related to time.
Solve a short numerical or descriptive question from this chapter.
State one important formula and explain each symbol.

7. Answer key (hints)

Refer to section 2 (Key concepts) above for the definition.
Examples should be drawn from daily experience and local context.
Apply the formula from section 3, show all steps clearly.
Formula with units — refer to the textbook glossary for symbol meanings.

8. Quick revision

Class 1 Mathematics — Chapter 5: Time.
Core idea: Days, months and daily routines.
Key outcomes: Name the days of the week; Distinguish morning, afternoon and night.
Always revise diagrams / tables from the Samacheer Kalvi textbook before the exam.

Key formulas & results

Everything you need to memorise, in one card. Screenshot this for revision.

Days of the week (7 days)

Monday → Tuesday → Wednesday → Thursday → Friday → Saturday → Sunday. (In Tamil: Thingal, Sevvaai, Budhan, Vyaazhan, Velli, Sani, Nyaayiru.)

There are 7 days in a week. The week repeats. After Sunday, Monday comes again. School days: Monday to Friday. Weekend/holiday: Saturday and Sunday.

Yesterday, Today, Tomorrow

Yesterday = the day BEFORE today. Today = the PRESENT day. Tomorrow = the day AFTER today.

If today is Wednesday: Yesterday WAS Tuesday. Tomorrow WILL BE Thursday. Example: 'Yesterday I played. Today I am in school. Tomorrow I will visit my grandmother.'

Parts of the day

Morning (sunrise → noon, about 6 AM to 12 PM) — wake up, brush teeth, breakfast, go to school. Afternoon (noon → sunset, about 12 PM to 5 PM) — lunch, rest, play. Evening (sunset → dark, about 5 PM to 7 PM) — homework, play, snacks. Night (dark → sunrise, about 7 PM to 6 AM) — dinner, sleep.

The sun helps us know the time of day. Sun rises in the morning (East) and sets in the evening (West).

Months of the year (12 months)

January (Jan) → February (Feb) → March (Mar) → April (Apr) → May → June → July → August (Aug) → September (Sep) → October (Oct) → November (Nov) → December (Dec).

There are 12 months in a year. Important Tamil months (for reference): Thai = Jan-Feb, Aadi = Jul-Aug, Margazhi = Dec-Jan. Pongal is celebrated in Thai (January).

⚠️

Common mistakes & fixes

These are the exact errors that cost students marks in board exams. Read them once, save yourself the trouble.

WATCH OUT

✗ Mixing up the order of days — saying 'Monday, Wednesday, Tuesday'

✓ Recite the days slowly in order every morning. Use a rhyme or song. Write them in a line and point as you say each one.

WATCH OUT

✗ Saying 'tomorrow was Sunday' instead of 'yesterday was Sunday'

✓ Yesterday = behind us (already happened). Tomorrow = ahead (yet to happen). Point backwards over your shoulder when saying 'yesterday' and forwards when saying 'tomorrow'.

WATCH OUT

✗ Confusing afternoon and evening — saying 'good afternoon' at 6 PM

✓ Afternoon = when the sun is high and it's bright. Evening = when the sun is going down and it starts getting dark. By 6 PM in India, it is usually evening.

WATCH OUT

✗ Skipping months or saying them out of order — 'January, March, February'

✓ Use the knuckle trick: Make fists. Knuckles = 31-day months, gaps = 30-day months (except February = 28/29). Recite months daily.

Practice problems

Try each one yourself before tapping "Show solution". Active recall > rereading.

Q1EASY· Recall

How many days are there in a week? Name the first day.

▶ Show solution

7 days. First day is Monday (or Sunday, depending on convention).

Q2EASY· Yesterday/Tomorrow

If today is Friday, what day was yesterday?

▶ Show solution

Thursday

Q3EASY· Time of day

At what time of day do you eat your lunch — morning, afternoon, or night?

▶ Show solution

Afternoon

Q4MEDIUM· Sequence

Put these in order: sleeping at night, going to school, waking up, eating dinner.

▶ Show solution

Waking up → Going to school → Eating dinner → Sleeping at night.

Q5MEDIUM· Months

Which month comes between March and May?

▶ Show solution

April

Q6HARD· Reasoning

If yesterday was Saturday, what day will tomorrow be? Explain step by step.

▶ Show solution

If yesterday was Saturday, then today is Sunday. If today is Sunday, then tomorrow will be Monday.

5-minute revision

The whole chapter, distilled. Read this the night before the exam.

•7 days in a week: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.
•Yesterday = day before today. Today = present day. Tomorrow = day after today.
•4 parts of the day: Morning (wake up, school), Afternoon (lunch, play), Evening (homework, snacks), Night (dinner, sleep).
•12 months: Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec.
•The sun rises in the morning (East) and sets in the evening (West).

Tamil Nadu (TNBSE) marks blueprint

Where the marks come from in this chapter — so you can plan your prep.

Typical chapter weightage: 3-5 marks in TN Class 1 Term 2 Mathematics exam

Question type	Marks each	Typical count	What it tests
Days of the week ordering	1-2	1	Writing days in correct order or filling missing days
Yesterday/Today/Tomorrow	1 each	1-2	Finding yesterday or tomorrow of a given day
Time of day / Activity match	1 each	1-2	Matching activities to morning, afternoon, evening, night

Prep strategy

Recite the days of the week every morning — make it a habit
Practise yesterday-today-tomorrow: 'If today is ___, yesterday was ___, tomorrow will be ___'
Draw a daily routine chart: what do you do in the morning, afternoon, evening, night?
Learn the months rhyme or song to remember all 12 in order

Where this shows up in the real world

This chapter isn't just an exam topic — it lives in the world around you.

Daily routine and discipline

Knowing the days of the week helps children understand their routine: school days vs holidays, when special classes happen, when festivals come. This builds time management from an early age.

Festivals and months

Tamil Nadu has festivals tied to Tamil months: Pongal in Thai (January), Tamil New Year in Chithirai (April), Deepavali in Aippasi/Karthigai (October-November). Children connect months to celebrations they experience.

Exam strategy

Battle-tested tips from teachers and toppers for this chapter.

Days of the week: Start from Monday and go in order. Count on fingers: 1-Mon, 2-Tue, 3-Wed, 4-Thu, 5-Fri, 6-Sat, 7-Sun.
Yesterday/Tomorrow: Think of the days as a line. Monday...Sunday. Yesterday = one step back. Tomorrow = one step forward.
Time-of-day matching: What does the sun look like in the picture? Bright sun = morning/afternoon. Dark sky = night.

Going beyond the textbook

For olympiad aspirants and curious learners — topics that build on this chapter.

If 1st January is Monday, what day is 8th January? (Also Monday — 7 days later, same day.)
How many months have 31 days? (7 months: Jan, Mar, May, Jul, Aug, Oct, Dec.)
Which month has only 28 or 29 days? (February — 28 in a normal year, 29 in a leap year.)

Where else this chapter is tested

CBSE board isn't the only one — other exams test this chapter too.

TN School Term 2 ExamHigh

School Unit TestsHigh

Maths Olympiad (IMO Class 1)Medium

AI helpers for this chapter

Generate more practice on the fly, or have the chapter explained at a different level.

⚡

Generate 5 more questions

Fresh MCQs + short-answer items based on this chapter, plus answer keys.

🧠

Explain at a different level

Re-explain the chapter at the level you actually want.

📝 My notes

Saved on this device — sign in to sync · how this works

0/600

Questions students ask

The real ones — pulled from the Q&A community and tutor sessions.

7 days. School days are Monday to Friday (5 days). Saturday and Sunday are usually holidays.

Evening is when the sun is setting (around 5-7 PM). Night is when it is completely dark (after 7 PM). We eat dinner in the evening/night and sleep at night.

Yesterday was Saturday. Tomorrow will be Monday.

Practice more, ask doubts, find a tutor

Tamil Nadu (TNBSE) Class 1 mock tests

Tamil Nadu (TNBSE) Class 1 PYQs

Ask in Q&A

Mathematics flashcards

Related chapters

Students who read Time usually read these next.

Geometry

Samacheer Kalvi (TN State Board) Class 1 Mathematics — Chapter 1, Geometry. Shapes and Spaces. Study notes, key concepts, worked examples, practice questions and quick revision for exam preparation.

Numbers

Samacheer Kalvi (TN State Board) Class 1 Mathematics — Chapter 2, Numbers. Counting, Addition and Subtraction 1–9. Study notes, key concepts, worked examples, practice questions and quick revision for exam preparation.

Patterns

Samacheer Kalvi (TN State Board) Class 1 Mathematics — Chapter 3, Patterns. Recognising and creating repeating patterns. Study notes, key concepts, worked examples, practice questions and quick revision for exam preparation.

Measurements

Samacheer Kalvi (TN State Board) Class 1 Mathematics — Chapter 4, Measurements. Length and Weight using non-standard units. Study notes, key concepts, worked examples, practice questions and quick revision for exam preparation.

🧑‍🏫