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Shift Overlap

Tokyo and Auckland working-hours overlap

On Monday, 28 September 2026, Tokyo is 4 hours behind Auckland — UTC+09:00 against UTC+13:00. Their working hours overlap for 4 hours that day, between 00:00–04:00 UTC — 09:00–13:00 in Tokyo and 13:00–17:00 in Auckland. Tokyo does not change clocks at all. Auckland changes clocks on Sunday, 4 April 2027, and the gap between them goes from 4 hours to 3 hours.

Every figure on this page describes Monday, 28 September 2026 — a fixed day, not the day you are reading it. Working hours are 09:00–17:00 local time for both cities; change either, or pick another date, in the overlap calculator.

Shared working hours

Everyone is at work between 00:00–04:00 UTC — 4 hours.

CityLocal timeOffset
Tokyo09:00–13:00UTC+09:00
Auckland13:00–17:00UTC+13:00

Each city's working day

CityLocal hoursIn UTCOffsetNext clock change
Tokyo09:00–17:0000:00–08:00 UTCUTC+09:00No daylight saving
Auckland09:00–17:0020:00–04:00 UTCUTC+13:00UTC+13:00 → UTC+12:00, 4 Apr 2027

How the shared window moves through the year

Auckland changes clocks on Sunday, 4 April 2027, and Tokyo never does, so the gap between them moves only when Auckland's clocks do. Each row is the same pair of working days, sampled once a month, so the window's size and position follow the clock changes described above.

MonthShared windowLength
2026-1000:00–04:00 UTC4 hours
2026-1100:00–04:00 UTC4 hours
2026-1200:00–04:00 UTC4 hours
2027-0100:00–04:00 UTC4 hours
2027-0200:00–04:00 UTC4 hours
2027-0300:00–04:00 UTC4 hours
2027-0400:00–05:00 UTC5 hours
2027-0500:00–05:00 UTC5 hours
2027-0600:00–05:00 UTC5 hours
2027-0700:00–05:00 UTC5 hours
2027-0800:00–05:00 UTC5 hours
2027-0900:00–05:00 UTC5 hours

Questions

What time can Tokyo and Auckland meet?
00:00–04:00 UTC on Monday, 28 September 2026 — 4 hours. In Tokyo that is 09:00–13:00, and in Auckland it is 13:00–17:00.
How far apart are Tokyo and Auckland?
On Monday, 28 September 2026, Tokyo is 4 hours behind Auckland — UTC+09:00 against UTC+13:00. Tokyo does not change clocks at all. Auckland changes clocks on Sunday, 4 April 2027, and the gap between them goes from 4 hours to 3 hours.
Does the overlap between Tokyo and Auckland change through the year?
Auckland changes clocks on Sunday, 4 April 2027, and Tokyo never does, so the gap between them moves only when Auckland's clocks do. Sampled once a month across the twelve months from Monday, 28 September 2026 the window is 00:00–04:00 UTC, 00:00–05:00 UTC.

Related city pairs

Or read how overlap is calculated and the other questions people ask about scheduling across time zones.