24 hour clock worksheets ks2: 24 Hour Clock Conversion Worksheets
Posted onWhat Is The 12-Hour And 24-Hour Clock?
This article summarizes what elementary school students will be taught about the 12-hour clock and 24-hour clock and provides some “telling the time” questions for children to practice telling digital and analog time on digital and analog clocks.
This blog is part of our series of blogs designed for teachers, schools and parents supporting home learning.
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What is the 12-hour clock?
The 12-hour clock is most commonly represented on an analog clock with the numbers 1-12; when shown on a digital clock, it is usually accompanied by a.m. (‘ante meridiem’ – Latin for ‘before midday’) or p.m. (‘post meridiem’ – Latin for ‘after midday’).
What is the 24-hour clock?
The 24-hour clock is more often shown on digital clocks and is written in a 4-digit form, with the first two digits representing the hour and the last two representing the minutes.
There is no need for a.m. or p.m. as each time represents each hour in a 24-hour day. For example, 03:00 = 3rd hour of the day, or 3 am; 14:00 = 14th hour of the day or 2pm; 18:30 = 30 minutes past the 18th hour of the day, or 6:30pm.
How to convert from a 12-hour clock to a 24-hour clock?
To convert from a 12-hour clock to a 24-hour clock, children may be taught to add 12 to the hours after midday, e.g. 3pm becomes 15:00 because 3 + 12 = 15.
| 12-hour clock | 24-hour clock |
| 1am | 01:00 |
| 2am | 02:00 |
| 3am | 03:00 |
| 4am | 04:00 |
| 5am | 05:00 |
| 6am | 06:00 |
| 7am | 07:00 |
| 8am | 08:00 |
| 9am | 09:00 |
| 10am | 10:00 |
| 11am | 11:00 |
| 12pm | 12:00 |
| 1pm | 13:00 |
| 2pm | 14:00 |
| 3pm | 15:00 |
| 4pm | 16:00 |
| 5pm | 17:00 |
| 6pm | 18:00 |
| 7pm | 19:00 |
| 8pm | 20:00 |
| 9pm | 21:00 |
| 10pm | 22:00 |
| 11pm | 23:00 |
| 12am | 00:00 |
When will my child learn about the 12-hour and 24-hour clock in elementary school?
12-hour and 24-hour clock in 1st – 4th grades.
1st grade students will learn to tell the time to the hour and half past the hour using analog and digital clocks.
Children’s learning of time is continued into second grade, where they will tell and write the time from analog and digital clocks, to the nearest 5 minutes, using a.m. and p.m.
By the time your child is in 3rd grade, they are expected to tell and write time to the nearest minute and measure time intervals in minutes. They will learn to represent intervals of time by using number lines. This continues into 4th grade.
There are no specific objectives about time in past 4th grade.
How do the 12- and 24-hour clocks relate to other areas of math?
Children are sometimes required to read and interpret timetables (such as timings of a school day, or a bus timetable) which will often use timings either written in the 12- or 24-hour clock.
12-hour clock & 24-hour clock worksheet questions
1.
What time does this clock show?
(Answer: 8:30)
2. Lily says: ‘On my clock face, the big hand is on the 4 and the little hand is between the 8 and the 9’. What is the time on Lily’s clock face?
(Answer: 20 past 8)
3. Toby went to study at 7pm. He finished one hour later. What time did he finish? Give your answer using digital 24-hour clock time.
(Answer: 20:00h)
4. These are all times on the same morning.
A: 7:56 am
B: quarter to eight
C: six minutes to eight
D: half past seven
Write the letters for the times in order, starting with the earliest.
(Answer: D, B, C, A)
5. A clock shows this time twice a day.
Tick the two digital clocks that show this time:
A: 03:45
B: 02:45
C: 09:45
D: 21:45
E: 14:45
(Answer: B and E)
What time is 12 pm in 24-hour clock?
12 pm in the 24-hour clock is 12:00.
What is the 24-hour clock called?
The 24-hour clock is also called railway/railroad time, military time and continental time.
What is 12-hour clock time?
The 12-hour clock runs from 1am to noon and then from 1pm to midnight. The 24-hour clock runs from 00:00 (midnight) to 23:59.
If your child is struggling then this article on telling the time breaks down step by step a foolproof method for teaching time at the lower elementary grades.
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Give your fourth and fifth grade students more opportunities to consolidate learning and practice skills through personalized elementary math tutoring with their own dedicated online math tutor.
Each student receives differentiated instruction designed to close their individual learning gaps, and scaffolded learning ensures every student learns at the right pace. Lessons are aligned with your state’s standards and assessments, plus you’ll receive regular reports every step of the way.
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The content in this article was originally written by primary school teacher Sophie Barlett and has since been revised and adapted for US schools by elementary math teacher Christi Kulesza
Time Worksheets and Resources
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Telling the Time Printables
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Units of Time Mad Maths Minutes |
Sets A & B Sets C & D Sets A & B (black) Sets C & D (black) |
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O’clock — Read analogue write in words |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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O’clock — Read analogue write in words Mad Maths Minutes |
Sets A & B Sets C & D |
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O’clock — Read analogue write digital |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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O’clock — Read analogue write digital Mad Maths Minutes |
Sets A & B Sets C & D |
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O’clock — Read the words, draw the hands |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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O’clock — Read digital, draw the hands (12 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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O’clock — Read digital, write words (12 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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O’clock — Read digital, write words (24 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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O’clock — Read digital, draw the hands (24 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Half Hours — Read analogue write in words Mad Maths Minutes |
Sets A & B Sets C & D |
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Half Hours — Read analogue write in words |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Half Hours — Read analogue write digital Mad Maths Minutes |
Sets A & B Sets C & D |
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Half Hours — Read analogue write digital |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Half Hours — Read the words, draw the hands |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Half Hours — Read digital, draw the hands (12 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Half Hours — Read digital, write words (12 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Half Hours — Read digital, write words (24 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Half Hours — Read digital, draw the hands (24 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Quarter Hours — Read analogue write in words Mad Maths Minutes |
Sets A & B Sets C & D |
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Quarter Hours — Read analogue write in words |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Quarter Hours — Read analogue write digital Mad Maths Minutes |
Sets A & B Sets C & D |
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Quarter Hours — Read analogue write digital |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Five Minute Intervals — Read analogue write in words |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Five Minute Intervals — Read analogue write digital |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Five Minute Intervals — Read digital, draw hands (12 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Five Minute Intervals — Read digital, draw hands (24 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Five Minute Intervals — Read analogue (Roman Numerals) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Nearest Minute — Read Analogue, Write Digital MMM |
Sets A & B Sets C & D |
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Nearest Minute — Read analogue, Write Digital (12 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Nearest Minute — Read analogue, Write Digital (24 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Nearest Minute — Read analogue (Roman Numerals) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Nearest Minute — Read Digital, Draw Hands (12 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Nearest Minute — Read Digital, Draw Hands (24 hour) |
Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 |
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Nearest Minute (Roman Numerals) — Read Analogue, Write Digital MMM |
Sets A & B Sets C & D |
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Units of Time (including days in each month) |
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Interactive Units of Time Activities
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Number the Month Alien Attack |
Month Match-Up |
Which month comes after.  .. Top
of the Class |
Units of Time Fling the Teacher |
Ordering the Months of the Year Interactive |
Ordering Units of Time Interactive |
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O’clock (Read analogue — write words) Interactive |
O’clock (Read Analogue — Write Digital) Interactive |
O’clock Picture Belt (Time in Words) |
Stop the Clock: O’clock (Oswego Schools) |
O’clock Test from henryanker.  com |
O’clock (Read Digital — Write Words) Interactive |
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O’clock and Half Past Interactive |
Half Hours (Read Analogue, Write Digital) Interactive |
Stop the Clock — Half Hours (Oswego Schools) |
Half Hours Test from henryanker.com |
O’clock and Half Past Digital Time Attack |
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Quarter Hours Interactive Mad Maths |
Quarter Hours (Read Analogue, Write Digital) |
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The Minute Hand Interactive (Five minute intervals) |
5 minute intervals — read analogue, write words |
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Telling the Time — To the Nearest Minute |
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Links to sites that we like.  .. |
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Read Time Worksheet Generator (from senteacher.org) |
WMNET Teaching Clock |
Ambleside Teaching Clock |
Digital Time Bingo (Gordons) |
Higher or Lower Interactive (Gordons) |
Interactive Clock (with random time facility) |
SEKO Exacta KS1D048A21B4D Dosing plunger pump
Seko Plunger Dosing Pump is used for dosing water and liquid chemicals. The pump body is made of aluminum, the dosing head (flow part) is made of stainless steel (AISI 316). The performance of the pump is manually adjusted using a micrometer screw that controls the stroke length of the plunger (piston).
Capacity adjustment can be carried out while the pump is running, the recommended adjustment range is from 30 to 100% of the maximum capacity.
Features
- Maximum pump capacity 170.0 l/h. Maximum back pressure 10 bar.
- Piston diameter 48 mm. Piston stroke length 15 mm. Stroke rate 116 cycles per minute.
- Connection size 1/2 «.
- Pump suction lift up to 3 meters.
The pump is equipped with a 250 W (0.25 kW) three-phase vertical motor. 4R. Protection class IP55. The direction of rotation of the motor is clockwise, indicated by a sticker on the motor housing.
| Features | Meaning |
|---|---|
| Max. consumption (l/h) | 170 |
| Max. pressure (bar) | 10 |
| Power (W) | 250 |
| BPM | 116 |
| Voltage (V) | 380/220 |
| Wet end material | Stainless |
Max. pace. liquids (°C) |
90 |
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