Coordination class
async-first pair
United Kingdom and Australia do not share standard 9-to-6 business hours today. Treat this as an async-first corridor and reserve synchronous calls for edge-hour handoffs.
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Pair comparison
United Kingdom is 9.0 hours behind Australia. They have no overlap in standard 9-to-6 business hours — you'll need edge-hour meetings.
Last updated recently. Country comparisons use one representative IANA zone per country, current public-holiday rows, and a same-day business-hour model. Multi-zone countries still need city-level checks before travel or payroll decisions.
Live values rendered at Jun 7, 11:19 PM UTC.
United Kingdom
Reference city: London
Mon · Jun 8 · UTC+01:00
Australia
Reference city: Sydney
Mon · Jun 8 · UTC+10:00
Coordination class
async-first pair
United Kingdom and Australia do not share standard 9-to-6 business hours today. Treat this as an async-first corridor and reserve synchronous calls for edge-hour handoffs.
DST drift risk
4 sampled shifts / 12mo
Both sampled reference zones shift clocks. The offset gap can still move temporarily when the countries change on different weekends.
Holiday availability
14 vs 25 listed holidays
United Kingdom and Australia share 8 listed holiday dates in the selected year, so shared shutdown risk is visible before campaign or sprint planning.
Pair workflow examples
The current offset is enough for today, but the examples below make the page useful for real recurring work: standups, reviews, and end-of-day handoffs anchored to either country. Recheck these around DST transition weeks when either sampled zone shifts.
Best live-use strategy
No shared 9-to-6 window appears today, so United Kingdom and Australia should use async-first workflows, rotating live calls, and written decision logs.
United Kingdom next holiday checks
World Cup Bank Holiday (2026-06-15); Battle of the Boyne (2026-07-13); Summer Bank Holiday (2026-08-03); Summer Bank Holiday (2026-08-31)
Australia next holiday checks
King's Birthday (2026-06-08); Picnic Day (2026-08-03); King's Birthday (2026-09-28); Labour Day (2026-10-05)
No overlap in standard 9–18 local working hours. You'll typically schedule synchronous meetings in the early morning for one side and late evening for the other.
24-hour overlap heatmap (UTC across the bottom)
Both teams may be off on the dates above — useful for sprint planning and launch calendars.
Reference fields include representative IANA zones, offsets, reference cities, ISO country codes, current abbreviations, DST transition counts, business-overlap window, holiday counts, overlapping holiday rows, and upcoming retained holidays.