Time PlaygroundMake every moment make sense
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Clock Playground

Move the hands, read the time, and explore what happens a few minutes later.

The short hand shows hours. The long hand shows minutes.

9:00 AM

24-hour clock: 09:00

Nine o’clock in the morning

Set the teaching clock

You can drag around the clock face, use the buttons, or enter a time. All three move the same linked hands.

Enable JavaScript to move the clock. No accounts, scores, or saved activity.

What happens as time passes?

Explore elapsed clock time

This is a clock lesson: every hour has 60 minutes. Real journeys across time zones or daylight-saving changes need the date-aware converter.

Try a clock challenge

Set the clock to 3:15 PM.

Check your clock answer

Take your time. Feedback stays on this page; there are no leaderboards.

What is time, and why Greenwich?

Start with everyday time, then discover local noon, the story of GMT, time zones and UTC.

Read the guide

Daylight saving and standard time

Why clocks change, why dates differ, and what EST, EDT and ET mean.

Read the guide

Leap years and leap seconds

Why February sometimes has 29 days, and how a clock can show 23:59:60.

Explore the difference