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8.04 Time zones for Australia and its neighbours

Worksheet
Australian time zones
1

Consider the map below:

a

Determine the time in Perth when it is 6:42 pm in Hobart.

b

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
c

Complete the following table to show the equivalent time in each time zone:

WSTCSTEST
5:25
5:11
12:25
7:17
2

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.

a

If it is 8:16 pm AEST, determine the following:

i

The time in ACST.

ii

The time in AWST.

b

If it is 7:27 pm in ACST, determine the time in AWST.

c

If it is 12:10 am AEST, determine the following, giving your answers in 24-hour time:

i

The time in ACST.

ii

The time in AWST.

d

If it is 1:16 pm in ACST, determine the time in AWST.

3

Indonesia is divided into three time zones.

  • Indonesia Western Time Zone (IWTZ)

  • Indonesia Eastern Time Zone (IETZ)

  • Indonesia Central Time Zone (ICTZ)

Its neighboring country Papua New Guinea (PNG) has another time zone as shown in the map below:

a

If it is 6:16 am in IWTZ, state what time it is in:

i

ICTZ

ii

IETZ

iii

PNG

b

If it is 2:48 am in ICTZ, state what time it is in:

i

IWTZ

ii

IETZ

iii

PNG

c

If it is 9:21 pm in IETZ, state what time it is in:

i

IWZT

ii

ICZT

iii

PNG

d

Consider that only ICTZ is operating on daylight saving time. If it is 10:13 am in ICTZ, state what time it is in:

i

IWZT

ii

IEZT

iii

PNG

e

Consider that only IETZ is operating on daylight savings time. If it is 8:24 am in IETZ, state what time it is in:

i

IWZT

ii

ICZT

iii

PNG

f

Consider that Papa New Guinea is on daylight savings time. If it is 7:24 am in Papua New Guinea, state what time it is in:

i

IWZT

ii

ICZT

iii

IEZT

g

Consider that only IWTZ is on daylight savings time (which means the time has been brought forward 1 hour). If it is 5:11 pm in IWTZ, determine the time in:

i

ICZT

ii

IEZT

iii

PNG

4

Australia and its neighbouring countries are located across several time zones as shown in the map below:

If it is 5:42 am in Papua New Guinea, determine the time in:

a

IETZ.

b

Vietnam.

c

AEST.

d

AWST.

Daylight savings time (DST)
5

State whether these Australian states or territories observe Daylight Saving Time (DST):

a

Victoria

b

Western Australia

c

New South Wales

d

Northern Territory

e

Queensland

f

South Australia

6

If it is 16:14 in Sydney in Daylight Savings Time, determine the time it would be in Eastern Standard Time.

7

Determine the time it would be in Eastern Standard Time for the following:

a

2:49 am in Sydney in Daylight Savings Time.

b

11:50 pm in Sydney in Daylight Savings Time.

8

If it is 14:35 in Sydney in Eastern Standard Time, determine the time it would be in Daylight Savings Time.

9

Determine the time it would be in Daylight Saving Time for the following:

a

9:45 am in Sydney in Eastern Standard Time.

b

5:13 pm in Sydney in Eastern Standard Time.

10

If it is 4 am in standard time, what time is it in daylight savings time (DST)?

11

When the time is 14:15 in Perth determine the time in:

a

Sydney during No DST.

b

Sydney during DST.

12

If it is 4:00 pm Daylight Savings Time (DST) in South Australia (SA), determine the time in:

a

New South Wales (NSW).

b

Western Australia (WA).

c

Queensland.

d

Northern Territory (NT).

13

Australia and its neighbouring countries are located across several time zones as shown in the map below. Australia and Indonesia each have three time zones. Consider that only Indonesian Central Time Zone (ICTZ) is operating on daylight saving time.

If it is 3:45 am in Indonesian Central Time Zone (ICTZ), determine the time in:

a

New Zealand.

b

Australian Western Standard Time (AWST).

c

Papua New Guinea.

d

Vietnam.

Appplications
14

The following map shows the time zones across the Australian States:

a

Luke and Maria board a train at 7:58 pm on Saturday from Sydney, New South Wales towards Adelaide, South Australia.

i

If the trip to Adelaide took 20 hours and 22 mins, determine the time they arrived in Adelaide local time.

ii

Luke boards a train from Adelaide, South Australia at 5:45 pm on Sunday to Darwin, Northern Territory. If his trip took 28 hours and 36 mins, determine the time he arrived in Darwin local time.

iii

Maria boards a train from Adelaide, South Australia at 4:55 pm Sunday towards Perth, Western Australia. If the trip took her 19 hours and 20 mins, determine the time she arrived in Perth local time.

b

Han and Amelia board a train at 8:52 pm on Thursday from Sydney, New South Wales towards Adelaide, South Australia.

i

They arrived in Adelaide, South Australia on 6:48 pm Friday. Determine the duration of their train trip.

ii

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.

iii

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.

15

The following map shows the time zones across the Australian States:

a

A flight leaves Hooker Creek Airport, NT at 6:10 am. It takes 2 hours and 15 minutes to reach Sydney airport, NSW. Determine the time the flight arrives in NSW local time.

b

A flight leaves Sydney Airport in NSW at 10:55. It takes 5 hours and 25 mins to reach Perth airport, WA. Determine the time the flight arrives in WA local time.

c

An airplane leaves Perth Airport in Western Australia at 9:16 pm and takes 4 hours and 22 mins to reach Brisbane airport, Queensland. Determine the time the airplane arrives in Brisbane local time.

d

An airplane leaves Brisbane Airport in Queensland at 3:24 am and takes 6 hours and 34 mins to arrive at Darwin Airport in Northern Territory. Determine the time the airplane arrives in Darwin local time.

e

If an airplane leaves Darwin Airport in Northern Territory at 10:48 pm and takes 6 hours and 28 mins to arrive at Perth Airport in Western Australia. Determine the time the airplane arrives in Perth local time.

f

Harry lives in Melbourne and wants to catch the live broadcast of a match between the Hawks and Eagles at Optus Stadium in Perth. If the match is at 4 pm local time in Perth, what time will Harry need to tune into the broadcast?

g

Tobias lives in Adelaide and wishes to call in for a radio competition for a national broadcaster based in Sydney. If the competition opens at 7 am Sydney local time, what time can Tobias start calling in Adelaide

16

The attached map shows the time zones across the Australian States:

a

A flight leaves Hobart Airport, TAS at 10:55 during DST. It takes 4 hours and 30 minutes to reach Perth airport, WA. Determine the time the flight arrives in WA local time.

b

A flight leaves Alice Springs Airport, NT at 5:15 during DST. It takes 3 hours and 10 minutes to reach Hobart airport, TAS. Determine the time the flight arrives in TAS local time.

c

If an 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, determine its flight time.

d

If an 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, determine its flight time.

e

If an 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, determine its flight time.

f

Avril lives in Perth and wants to catch the live broadcast of a cricket match at Melbourne Cricket Ground. If the match is at 5 pm local time in Melbourne and it is daylight saving time, what time will Brian need to tune into the broadcast?

g

Tickets go on sale for the Australian tour of a band in the summer (daylight saving time) at 7 am in Sydney. Complete the table below with the times for when the following people should login to buy online tickets in their local time.

LocationTime
MichaelTownsville, QLD
KatrinaWhyalla, SA
SallyCoral Bay, WA
17

Four friends plan to have a video conference at 8 pm Sydney time.

Use the above map of time zones to find the time each of the following people should join the meeting:

a

Roald who lives in Denpasar, (Central) Indonesia.

b

Yuri who lives in Jakarta, (West) Indonesia.

c

Nadia who lives in Alice Springs, NT.

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Outcomes

3.4.2.4

solve problems involving time zones in Australia and in neighbouring nations, making any necessary allowances for daylight saving, including seasonal time systems used by Aboriginal peoples and Torres Strait Islander peoples

3.4.2.5

solve problems involving GMT, International Date Line and UTC

3.4.2.6

calculate time differences between two places on Earth

3.4.2.8

solve problems relating to travelling east and west incorporating time zone changes, such as preparing an itinerary for an overseas holiday with corresponding times

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