You must know that there are 60 minutes in an hour and 24 hours in a day.
You must know how to read a clock face and digital time.
This shows a quarter past 2 or 2:15.
The hour hand is a quarter way between 2 and 3. The minute hand has gone round a quarter of an hour.
Want to understand this further and learn how this links to other topics in maths?
Why not watch this video?