Converting
Elapsed Time
Timetables
Time Zones
Challenges
100

Convert 3:00 PM to 24-hour time.

15:00

100

How long is it from 2:00 PM to 3:30 PM?

1 hour and 30 minutes

100

The bus leaves at 8:00 AM and the next one is at 8:30 AM. How often does the bus come?

30 minutes

100

When it’s 9:00 AM in Melbourne (AEST), it’s 7:00 AM in Perth (AWST). How many hours behind is Perth?

2 hours

100

How many minutes are in one hour?

60

200

Convert 09:30 to 12-hour time.

9:30 AM

200

If school starts at 8:45 AM and finishes at 3:15 PM, how long is the school day?

6 hours and 30 minutes

200

If a train leaves at 10:45 AM and arrives at 12:05 PM, how long is the trip?

1 hour 20 minutes

200

London is 10 hours behind Melbourne. If it’s Monday 10:00 PM in Australia, what day and approximate time is it in London in 24 hour time?

Monday 12:00

200

How many seconds are in 5 and a half minutes?

330

300

Convert 11:45 PM to 24-hour time.

23:45

300

A movie starts at 7:19 PM and ends at 9:08 PM. How long does it go for?

1 hour 49 minutes

300

The movie session starts at 4:53 PM. It runs for 2 hours 15 minutes. What time does it end in 12 hour time?

7:08PM 

300

A flight leaves Brisbane at 7:00 AM and arrives in Adelaide at 8:30 AM local time. The flight takes 2 hours.

Adelaide is 30 minutes behind Brisbane.
300

How many minutes are in a day?

1,440

400

Convert 00:15 to 12-hour time.

12:15 AM

400

You start cooking at 4:31 PM. The recipe takes 1 hour 47 minutes. What time will it be ready? Answer in 24 hour time.

18:18

400

Your flight departs at 23:49 and lands at 05:15. How long is the flight?

5 hours 26 minutes

400

A flight leaves Sydney at 8:00 AM and lands in Auckland at 1:00 PM local time. The flight takes 3 hours. What time zone difference is there between Sydney and Auckland?

Auckland is 2 hours ahead

400

How many hours are in one week?

168

500

Convert 17:35 to 12-hour time.

5:35 pm 

500

A train leaves at 23:12 and arrives at 01:29. How long is the trip?

2 hours and 17 minutes

500

A bus timetable shows stops at 8:00, 8:12, 8:25, 8:37, and 8:49. What is the average time between stops?

12 minutes 15 seconds.



500

A flight leaves Tokyo at 9:45 PM and arrives in New York at 7:20 PM local time the same day. The flight takes 14 hours. How many hours is Tokyo ahead of New York?

Tokyo is 16 hours 25 minutes ahead of New York.

500

If a year has 365 days, how many hours are in a year?

8,760

M
e
n
u