12.02 Time intervals
Evaluate the following in hours and minutes:
11 hours - \, 43 minutes
11 hours 16 minutes - \, 5 hours
5 hours 10 minutes + \, 20 minutes
4 hours 10 minutes - \, 35 minutes
3 hours 3 minutes + \, 3 hours 29 minutes
3 hours 20 minutes - \, 2 hours 10 minutes
2 hours 50 minutes + \, 3 hours 40 minutes
6 hours 10 minutes - \, 2 hours 30 minutes
7 hours 59 minutes + \, 12 hours 11 minutes
10 hours 33 minutes - \, 7 hours 57 minutes
10 hours 43 minutes - \, 2 hours 29 minutes
How many hours and minutes left until midnight if the time is 16:50?
Find the following times, expressing your answer in 24-hour time:
4 hours after 16:28
7 hours after 22:53
12 hours before 9:57
13 hours before 10:43
30 minutes after 9:30 am.
30 minutes after 11:40 pm.
9:30 am plus half an hour.
7:00 pm plus 24 minutes.
45 minutes after 11:20 am.
20 minutes after 3:50 pm.
10:30 am plus two and a half hours.
9:10 pm plus 63 minutes.
Find the 24-hour time and day after evaluating the following:
Saturday 13:15 - \, 15 hours 18 minutes
Thursday 13:20 + \, 21 hours 59 minutes
James went to a movie at 11:50 am. The movie went for 1 hour and 10 minutes. What time will be it when the movie finishes? Write your answer using 12-hour time.
Sharon starts watching a movie at half past eleven am, which goes for 2 hours and 30 minutes. What time will be it when the movie finishes? Write your answer using 12-hour time.
Valentina starts work at 7 am and finishes work at 5:30 in the evening. How many hours and minutes is Valentina at work?
A train ride between two cities takes 9 hours and 57 minutes. On a train ride between these cities, if you leave one city at 23:44, at what time will you arrive at the other city? Give your answer in 24-hour time.
In a relay of four runners, Karen ran for 1:46, Janet ran for 1:18, Tania ran for 1:16 and Tina ran for 1:42. How long was their total time for the relay?
A ship arrives at 17:28 at Melbourne. If the trip took 2 hours and 16 minutes, at what time did the ship depart from Sydney? Express your answer in 24-hour time.
James leaves home at 2 pm and gets home at 5 pm. How many hours was James out?
Luke starts school at 9 am and finishes at 3 pm. How many hours is Luke at school each day?
Ellie's family leaves her home at 9:17 am to visit her grandmother in a different state. She arrives at her grandmother's house at 3:17 pm. How long did the trip take?
A song clip starts playing at 7:55 pm and finished at 8:11 pm. How long is the song clip in minutes?
A taxi departs at 13:32 from Sydney and arrives at 20:14 at Melbourne. How long did the taxi take for the trip?
A match of hockey begins at 7:31 and finishes at 8:55. If the half-time break goes for 15 minutes, what is the duration of one half of hockey?
Consider the map below:
Determine the time in Perth when it is 6:42 pm in Hobart.
Complete the table to show the equivalent time in each state:
| Western Australia (WA) | South Australia (SA) | Queensland (QLD) |
|---|---|---|
| 6:15 | ||
| 11:45 | ||
| 10:15 | ||
| 5:25 |
Complete the following table to show the equivalent time in each time zone:
| WST | CST | EST |
|---|---|---|
| 5:25 | ||
| 5:11 | ||
| 12:25 | ||
| 7:17 |
If it is 4:00 pm Daylight Savings Time (DST) in South Australia (SA), determine the time in:
New South Wales (NSW).
Western Australia (WA).
Queensland.
Northern Territory (NT).
Australia is divided into 3 time zones:
AEST (Eastern Standard Time) encompasses QLD, NSW, the ACT, VIC and TAS.
ACST (Central Standard Time) encompasses the NT and SA, and is half an hour behind AEST.
AWST (Western Standard Time) encompasses WA and is two hours behind AEST.
If it is 12:10 am AEST, determine the following, giving your answers in 24-hour time:
The time in ACST.
The time in AWST.
If it is 1:16 pm in ACST, determine the time in AWST.
Han and Amelia board a train at 8:52 pm on Thursday from Sydney, New South Wales towards Adelaide, South Australia.
They arrived in Adelaide, South Australia on 6:48 pm Friday. Determine the duration of their train trip.
Han boards a train from Adelaide, South Australia at 8:43 pm on Friday to Darwin, Northern Territory. He arrives at 8:11 pm Saturday. Determine the duration of his trip.
Amelia boards a train from Adelaide, South Australia at 7:53 pm Friday towards Perth, Western Australia. She arrives at 10:54 am. Determine the duration of her train trip.
The map below shows the time zones across the Australian States in standard time and daylight saving time:
Calculate the flight times of the following trips:
The airplane leaves Broome Airport in Western Australia at 7:30 pm and arrives at Albury (operating on daylight savings time) Airport in Victoria at 3:52 am.
The airplane leaves Albury Airport in Victoria at 7:14 pm and arrives at Adelaide Airport in South Australia (operating on daylight savings time) at 9:10 pm.
The airplane leaves Adelaide Airport in South Australia at 9:53 am and arrives at Broome Airport in Western Australia(operating in daylight savings time) at 3:41 pm.
If it is 16:14 in Sydney in Daylight Savings Time, determine the time it would be in Eastern Standard Time.
Determine the time it would be in Eastern Standard Time for the following:
2:49 am in Sydney in Daylight Savings Time.
11:50 pm in Sydney in Daylight Savings Time.
If it is 14:35 in Sydney in Eastern Standard Time, determine the time it would be in Daylight Savings Time.
Determine the time it would be in Daylight Saving Time for the following:
9:45 am in Sydney in Eastern Standard Time.
5:13 pm in Sydney in Eastern Standard Time.
If it is 4 am in standard time, what time is it in daylight savings time (DST)?
If it is 8 am in daylight savings time (DST), what time is it in standard time?