Time Zones (HSC SSCE Mathematics Standard): Flashcards

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Time Zones
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Number of time zones on Earth

24 time zones

Alternative name for UTC

Greenwich Mean Time (GMT)

Rule for positive time zone numbers

Ahead of UTC, add the hours

Rule for negative time zone numbers

Behind UTC, subtract the hours

Australian EST UTC offset

+10+10 hours

Australian CST UTC offset

+9.5+9.5 hours

Australian WST UTC offset

+8+8 hours

Australian daylight saving start date

First Sunday in October

Australian daylight saving end date

First Sunday in April

Australian states NOT observing daylight saving

Queensland, NT, WA

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