Year 5 · Maths · Measurement · Free Printable
12-Hour and 24-Hour Time
Convert between 12-hour and 24-hour time and solve practical timetable problems.
Worksheet Preview

Why families download this one
✅ Instant download, free to download. Ready to print in under 2 minutes — perfect for homework, a NAPLAN-style practice session, or tomorrow's lesson. No email required, ever.
Learning Intention
Students will convert confidently between 12-hour and 24-hour time and apply this to real timetable problems.
Australian Curriculum
AC9M5M03
Compare 12- and 24-hour time systems and solve practical problems involving the conversion between them.
Teacher Notes
Use a real bus, train or TV guide timetable so the conversions connect to something students actually read.
Skills Practised
- Measurement
- Mathematical/critical reasoning
- Real-life application
- Self-checking against success criteria
Why This Worksheet Works
- A worked example walks through the AM/PM to 24-hour conversion step by step before students try it alone.
- Real timetable-style problems connect the maths to something students actually use.
- A success-criteria checklist lets students track their own progress against the learning intention.
- Written to AC9M5M03, so it drops straight into a Year 5 measurement lesson.
12-Hour and 24-Hour Time — Frequently Asked Questions
Common questions from parents, tutors and teachers about this worksheet.
Is "12-Hour and 24-Hour Time" aligned with the Year 5 Australian Curriculum?
Yes. This worksheet supports AC9M5M03 — compare 12- and 24-hour time systems and solve practical problems involving the conversion between them.
Do I need to sign up or enter my email to download?
No. The worksheet downloads instantly as a free PDF — free to download and no email required.
Is this worksheet self-checking?
Yes. It includes success criteria (or a worked example) so students can check their own understanding without a separate answer key.
How long does this worksheet take to complete?
Most Year 5 students complete it in 20–30 minutes, depending on pace and prior knowledge.