Explore the fascinating world of time with our interactive 12 & 24-Hour Time Conversion PowerPoint – a clear and engaging presentation that helps students understand and convert between the two main time formats. With a blend of visuals, history and hands-on examples, this resource is a must-have for your time-telling toolkit.

This resource introduces the origin of both 12-hour and 24-hour time systems and explains why each is used in different contexts. It includes illustrated timelines and clocks to help students visualise the transition from morning to evening and match each time format to real-world uses.

With step-by-step instruction and guided examples, students learn how to convert between 12-hour and 24-hour time using practical strategies. Whether taught as a whole-class lesson or reviewed during rotations, this presentation builds time fluency and boosts student confidence with telling time.

Key Learning Outcomes:

• ✅ Understand the difference between 12-hour and 24-hour time systems
• ✅ Identify AM and PM in the 12-hour system
• ✅ Convert between 12-hour and 24-hour formats accurately
• ✅ Apply time conversion to real-life contexts such as timetables and schedules

What’s Included:

• PowerPoint presentation exploring the history and use of time systems
• Visuals comparing 12-hour and 24-hour clocks
• Step-by-step examples for converting between formats
• Practice questions and real-world applications

Materials Needed:

• Interactive whiteboard or screen for whole-class use
• Student whiteboards or notebooks for practising time conversions

How to Use:

1. Open the PowerPoint in slideshow mode to access animations and visuals.
2. Introduce the two time systems and explore historical background together.
3. Work through guided examples showing how to convert from 12-hour to 24-hour time (and vice versa).
4. Pause for students to attempt sample questions using number lines, timelines or mental strategies.
5. Use follow-up discussions to reinforce concepts and address misconceptions.

Ideas for Classroom Use:

• 💡 Use to introduce or consolidate time conversion during your measurement unit
• 💡 Add to maths rotations as a visual revision station
• 💡 Incorporate into real-world lessons using train timetables, movie schedules or international clocks
• 💡 Create partner games where students convert between times for different activities
• 💡 Assign students the task of recording and converting their daily schedules

Top Teacher Tips:

• 💛 Display a dual-format clock in the classroom to support ongoing reinforcement
• 💛 Use coloured timelines to show morning, afternoon and evening time blocks
• 💛 Provide sentence stems or anchor charts to help students verbalise conversion steps

12 & 24-Hour Time Conversion PowerPoint brings clarity and confidence to time-telling through engaging visuals, practical strategies and real-life connections – ideal for helping students master this essential skill.