Coordination class
narrow overlap pair
Germany and Japan have a usable but finite overlap window. Cluster live decisions inside that window and push reviews, approvals, and status updates async.
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Pair comparison
Germany is 7.0 hours behind Japan. Their business-hour overlap is 2 hours per day.
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, 10:05 PM UTC.
Germany
Reference city: Berlin
Mon · Jun 8 · UTC+02:00
Japan
Reference city: Tokyo
Mon · Jun 8 · UTC+09:00
Coordination class
narrow overlap pair
Germany and Japan have a usable but finite overlap window. Cluster live decisions inside that window and push reviews, approvals, and status updates async.
DST drift risk
2 sampled shifts / 12mo
Germany shifts clocks while Japan is stable in the sampled reference zone, so recurring meetings can move by one hour for part of the year.
Holiday availability
19 vs 17 listed holidays
Germany and Japan share 1 listed holiday date 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
2 shared business hours is usable but scarce. Put decision meetings there and move status updates, document reviews, and approvals async.
Germany next holiday checks
Assumption Day (2026-08-15); World Children's Day (2026-09-20); German Unity Day (2026-10-03); Reformation Day (2026-10-31)
Japan next holiday checks
Marine Day (2026-07-20); Mountain Day (2026-08-11); Respect for the Aged Day (2026-09-21); Autumnal Equinox Day (2026-09-23)
Overlap window: 07:00 → 09:00 UTC · 2h per day.
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.