On Analog clocks when the minute hand is pointing at 12 it means that 60 minutes or 1 hour has passed and is called O'clock.

So, The time showing on this analog clock is 3 o'clock

or it can be written as 3:00​.

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Let's Look at more examples.

Telling time to the hour​.

When we tell time on a digital clock the '00' means the same as when the minute hand is on the 12 which means it also known as o'clock.​

​the time is 6 o'clock or it

can be written as 6:00.

​the time is 7 o'clock or it

can be written as 7:00.

​the time is 2 o'clock or it

can be written as 2:00.

1.)

2.)

3.)