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

Write midday in 12 and 24 hour time.

12:00

12pm

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.

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