Activity 9

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Who uses 24 hour time ?

Wilson, B. (2011). Time introduction to 24 hour time. Retrieved from http://slidesha.re/1bA2CH7

• Defence forces

Who uses 24 hour time ?

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Unit 4 – report ETA at base camp

ETA at base camp is 14:30 hours

ETA means Estimated Time of Arrival

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Transport companies

Who would use 24 hr time ?

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Communicating and understanding

• With your travel partner look at the next two slides and talk about what has happened…..

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The tide is good for fishing at 7 o’clock tomorrow.

I’ll pack a torch !

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The tide is good for fishing at 0700 tomorrow.

Great- early in the day is the best time !

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Using 24 Hour time stops confusion !

Look back at the slides showing who uses 24 hour time….

Discuss: Why is that the best way of communicating time for them ?

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Where do you see 24 hr time ?

Tide times in the newspaper.

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Tide times

Think about how the tides go in and out all day every day, never stopping. The times for high tides and low tides change everyday.

Lots of people plan to go fishing at the best times – the best times are at the change of the tide. The change of tides can happen during the day or during the night.

Question Why do you think it is a good idea to have the times written in 24 hour time ?

Answer Using 24 hour time is a good way to show the tide times because …. 10

Travel timetables – eg buses, planes, trainsWhere do you see 24 hr time ?

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