![]() ![]() To convert 24-hour time to 12-hour time, follow the instructions below. They should then be able to work out that they would arrive in Manchester 9 minutes before 5pm. How to Convert 24 Hour Time to 12 Hour Time. They could then convert the 24-hour clock time to 12-hour time, which would be 4:51pm. If a child were struggling with this, they might be encouraged to draw a number line in order to count forward the 3 hours and 5 minutes: How many minutes before 5pm do I arrive in Manchester? I get the 13:46 train to Manchester, which takes exactly three hours and five minutes. In Years 5 and 6, children are asked to solve problems involving converting between units of time. A Year 5 or 6 child might come across a problem like the following, that requires them to work out a time interval using their knowledge of both the 12-hour and 24-hour clock: They need to read, write and convert time between analogue and digital 12-hour and 24-hour clocks. In Year 4, children need to convert between units of time (hour and minutes). I put some lamb in the oven at 10.30 in the morning. They continue to tell the time with increasing speed and accuracy. Here is an example of a time interval word problem involving the 12-hour clock that they might come across: In Year 3, children learn that there are 60 seconds in a minute. They also start to learn about time intervals (working out the length of time between two times). They move onto reading the time to the quarter hour and then the nearest five minutes. In Year 2 they learn that there are 24 hours in a day, 60 minutes in an hour, and 30 minutes in half an hour. The train arrives at 23 h 35 (11:35 p.m.).Children in Year 1 learn to tell the time on a 12-hour analogue clock which looks like this:Īt this point, they learn to tell the time to the hour and half hour. Le train arrive à vingt-trois heures trente-cinq. Le film commence à vingt et une heures cinq. To calculate 12-hour time, subtract 12 from the 24-hour system for the hours between noon and midnight: To calculate 24-hour time, add 12 to the 12-hour system time for the hours between noon and midnight: Il est minuit dix.Ģ4-hour clock –> 00h10 : Il est zéro heures dix. Il est minuit.Ģ4-hour clock –> 24h00 : Il est vingt-quatre heures.ġ2-hour clock –> 12:10a.m. ![]() : Il est dix heures moins le quart (du soir).Ģ4-hour clock –> 21h45 : Il est vingt et une heures quarante-cinq.ġ2-hour clock –> 12:00a.m. : Il est cinq heures (de l’après-midi).Ģ4-hour clock –> 17h30: Il est dix-sept heures trente.ġ2-hour clock –> 9:45p.m. : Il est une heure et quart (de l’après-midi)Ģ4-hour clock –> 13h15 : Il est treize heures quinze.ġ2-hour clock –> 5:30p.m. Il est midi.Ģ4-hour clock –> 12h00 : Il est douze heures Il est midi.ġ2-hour clock –> 1:15p.m. Instead, minutes are always added to the hour.ġ2-hour clock –> 12:00p.m. Unlike in the 12-hour system, minutes are never subtracted from an hour in the 24-hour system. Counting for the first 12 hours of the day is the same as in 12-Hour Clock but then hours. With the 24-hour clock, the words “ minuit”, “ midi”, “ quart”, and “ demi(e)” are not used, and the number of minutes is expressed by a full number. The 24-Hour Clock is a Time format where you dont use AM and PM. However, these phrases are NOT used when expressing time according to the 24-hour system. When indicating 12-hour clock times (as we usually do in English), you will use such phrases as: ![]() So it’s important to be able to understand and tell the time according to the 24-hour system! It is especially used in public announcements such as timetables, bus/train/plane schedules, movie/television/radio listings, sporting events, and business hours of operation. The 24-hour system is called “L’Heure Officielle” in French. In France, as well as most other European countries, time is usually expressed on a 24-hour clock (what we in the United States generally refer to as “military time”). Le grammaire français: l’heure officielle Study: Creative Commons Image via The LEAF Projectįrench Grammar: Telling Time – The 24-Hour Clock ![]()
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