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There are no specific objectives about time in upper KS2. In this way they become fluent in and prepared for using digital 24-hour clocks in year 4, where they will then learn to read, write and convert time between analogue and digital 12- and 24-hour clocks. The National Curriculum’s non-statutory guidance also advises that pupils use both analogue and digital 12-hour clocks and record their times. 12 hour and 24 hour clock in KS2Ĭhildren’s learning of time is continued into lower KS2, where they will tell and write the time from an analogue clock, including using Roman numerals from I to XII, and 12-hour and 24-hour clocks (Year 3). In KS1 pupils will learn to tell the time to the hour and half past the hour and draw the hands on a clock face to show these times (Year 1) and tell and write the time to five minutes, including quarter past/to the hour and draw the hands on a clock face to show these times (Year 2). When will my child learn about the 12-hour and 24-hour clock in primary school? 12 hour and 24 hour clock in KS1 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. How to convert from a 12-hour clock to a 24-hour clock? For example, 0300 = 3rd hour of the day, or 3am 1400 = 14th hour of the day, or 2pm 1830 = 30 minutes past the 18th hour of the day, or 6.30pm. as each time represents each hour in a 24-hour day. 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. (‘post meridiem’ – Latin for ‘after midday’). (‘ante meridiem’ – Latin for ‘before midday’) or p.m. The 12-hour clock is most commonly represented on an analogue clock with the numbers 1-12 when shown on a digital clock, it is usually accompanied by a.m. More free home learning resources are also available.

This article is part of our series designed for teachers to inform their mathematical subject knowledge, and for parents to help support children with home learning. This article summarises what primary school pupils in KS1 and KS2 will be taught about the 12-hour clock and 24-hour clock and provides some telling the time questions for children to practise telling digital and analogue time on digital and analogue clocks.