It’s a quarter past 7.

07:15

It’s a quarter past 7.

Error: read digital clock as if it were an analogue clock

07:15

It’s a quarter past 7.

Error: read quarter as a number

06:45

It’s a quarter to 7.

Error: confuse ‘past’ and ‘to’

06:45

It’s a quarter to 7.

Error: confuse ‘past’ and ‘to’ and read quarter as number