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NSWMaths Standard 2Quick questions
Year 11: Working with Time
Quick questions on Time zones and UTC for HSC Maths Standard 2
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is finding the time in another city directly?Show answer
You rarely go via UTC in an exam; usually you jump straight from one city to another. The reliable method is two steps:
What are daylight saving adjustments?Show answer
In summer many places put their clocks forward one hour to make better use of evening daylight, which increases the offset by . Sydney's winter AEST UTC becomes summer AEDT UTC; London's winter UTC becomes summer BST UTC. Always read each city's offset for the season in the question before you subtract. Two cities can both shift, so the gap between them may stay the same, shrink or grow - never assume it is unchanged.
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