24-Hour Time Conversion Worksheet

This two-page letter-size worksheet is for students practicing 24-hour time. It has name and date lines, plus a set of conversion problems where each time is written in 12-hour format and needs to be rewritten in 24-hour format. The practice page uses Problem and Answer columns across two sections, with times like 3:45 p.m., 9:10 a.m., 11:20 p.m., 6:05 p.m., 1:55 p.m., and 7:40 a.m.

Free printable · PDF

2 pages
US Letter — choose “Fit to page” for A4
PDF, 60 KB

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Free for personal, family and classroom use.

Use the worksheet for classwork, homework, or review. Students write each answer in 24-hour format, then check their work with the answer key, which lists the problem and correct conversion in order. Print both pages together for independent practice or print the first page only for seatwork.

Good for

Practice converting 12-hour to 24-hour time
Review morning and afternoon clock times
Check answers with the included key

Tip: Print double-sided to keep the problems and answer key together.

13 files · PDF, DOCX

Get every sheet: Tell the Time Sheets

This sheet plus 12 more in one download, with the editable Word files. Printable tell-the-time sheets: hour-hand-only starters, time in words, reading to the minute, analogue–digital matching, a.m./p.m. sorting, 24-hour conversion and time bingo, all with answer keys.

$5.00 USD, one-time 13 files · about $0.38 each