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When the long hand points straight up to 12, it is o'clock.

When the long hand points straight up to 12, it is o'clock.

If the long hand is on 12 and the short hand is on 3, it is 3 o'clock. That means the hour has just started.

🕐 All Clock Basics facts →

More facts about Clock Basics

A clock has a short hand for hours and a long hand for minutes. A clock has a short hand for hours and a long hand for minutes. There are 60 minutes in one hour. There are 60 minutes in one hour. A clock face has the numbers 1 to 12 in a circle. A clock face has the numbers 1 to 12 in a circle. Clock hands turn in a special direction called clockwise. Clock hands turn in a special direction called clockwise. A whole day is 24 hours, so the hour hand goes around twice. A whole day is 24 hours, so the hour hand goes around twice.