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We are learning how to read the 24 hour clock

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Presentation on theme: "We are learning how to read the 24 hour clock"— Presentation transcript:

1 We are learning how to read the 24 hour clock

2 Midnight – Midday There are 24 hours in a day!
The first 12 hours of the day are from: Midnight – Midday

3 In 12 hour time We count from midnight to midday
Then we count from midday to midnight!

4 Count the hours in the day…

5 In 24 hour time we count from...
1 to 24! 1,2,3,4,5,6,7,8,9,10,11,12, 13,14,15,16,17,18,19,20,21,22,23,24!

6 We don’t use AM or PM in 24 hour clock!
12 noon 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00

7 For PM times we keep counting to 24!
12 midnight 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 24:00 / 00:00

8 Look at Midnight! 12:00 midnight 00:00 Why???

9 It’s a new day Midnight is the very beginning of the new day. We have counted a full 24 hours The day is over – so we start counting again from zero! 1,2,3,4,5,6,7,8,9,10,11,12, ,14,15,16,17,18,19,20,21,22,23,24!

10 What about the minutes? In 24 hour time the minutes don’t change.
1.15am :15 2:45am :45 6:24pm :24 8:30pm :30 10:45am :45 11:35pm :35

11 Noon & Midnight Noon Midnight 12:00pm 12:00 12:15pm 12:15
12:00am 00:00 12:15am 00:15 12:30am 00:30 12:45am 00:45 12:50am 00:50 12:05am 00:05 12:10am 00:10

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