How many days are in a leap year?

What is the time $1$ hour before the given time?

$3:30$ afternoon

What is the time $1$ hour before the given time?

$4:00$ before noon

What is the time $1$ hour before $9:00$ afternoon?

What is the time $1$ hour before the given time?

$8:50$ before noon

Subtract $1 \text{hour} 14 \text{minutes from }3\text{ hours }27 \text{minutes}$.

Subtract $4 \text{hours} 27 \text{minutes from }12\text{ hours }17 \text{minutes}$.

Subtract $3 \text{hours} 38 \text{minutes from }9\text{ hours }28 \text{minutes}$.