# 12.035 Travel times

Lesson

### Calculating travel times between cities

When we're calculating how long a flight takes, we need to consider the local time in both cities. Similarly, if we want to know the local time in the departure/arrival city, we need to consider the time in one city and the flight time and then adjust the time based on time zones.

#### Practice questions

##### Question 1

A plane left airport A at $8$8:$30$30 pm on Tuesday and landed at airport B at $9$9:$00$00 pm (local time) on the same day.

If airport B is $19$19 hours behind airport A, how long did the trip take?

##### Question 2

When the time is $5$5:$23$23 pm in Honolulu, it is $10$10:$23$23 pm in Miami. You take 19 hours to travel from Honolulu to Miami.

If you leave at $4$4:$50$50 pm on Sunday:

1. At what time (local time) will you arrive in Miami?

$\editable{}$: $\editable{}$ pm

2. On what day will you arrive in Miami?

Sunday

A

Saturday

B

Monday

C

Tuesday

D

##### Question 3

The following table displays the departure and flight times for three Air China flights.

Flight Number Airport Code Departure Time Airport Code Flight Time
CA994

San Francisco

UTC -8

(SFO)

$1$1:$13$13 pm

Beijing

UTC +8

(PEK)

$12$12 hours

and $31$31 mins.

CA927

Shanghai Pudong

UTC +8

(PVG)

$5$5:$56$56 pm

Beijing

UTC +8

(PEK)

$8$8 hours

and $31$31 mins.

CA950

Beijing

UTC +8

(PEK)

$7$7:$21$21 pm

San Francisco

UTC -8

(SFO)

$14$14 hours

and $37$37 mins.

1. What time does CA994 arrive in Beijing local time?

$\editable{}$ : $\editable{}$ pm

2. What time does CA927 arrive in Beijing local time?

$\editable{}$ : $\editable{}$ am

3. What time does CA950 arrive in San Francisco local time?

$\editable{}$ : $\editable{}$ pm

### Outcomes

#### ACMEM078

calculate time intervals, such as time between, time ahead, time behind