Skip to content
Shift Overlap

Honolulu and Auckland working-hours overlap

On Monday, 28 September 2026, Honolulu is 23 hours behind Auckland — UTC-10:00 against UTC+13:00. They share no working hours that day at all: Honolulu works 19:00–03:00 UTC and Auckland works 20:00–04:00 UTC, and those two windows do not meet. Honolulu does not change clocks at all. Auckland changes clocks on Sunday, 4 April 2027, and the gap between them goes from 23 hours to 22 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

No shared working hours on this date.

On this date the two working days do not meet, and none of the twelve months sampled for the year brings them together. Widening one side’s hours is what would change it; no other date will find a window that is not there.

Each city's working day

CityLocal hoursIn UTCOffsetNext clock change
Honolulu09:00–17:0019:00–03:00 UTCUTC-10:00No daylight saving
Auckland09:00–17:0020:00–04:00 UTCUTC+13:00UTC+13:00 → UTC+12:00, 4 Apr 2027

Is there any overlap through the year?

Auckland changes clocks on Sunday, 4 April 2027, and Honolulu never does, so the gap between them moves only when Auckland's clocks do. In the twelve months sampled the two working days never meet, so there is no window to move.

MonthShared windowLength
2026-10No shared hours—
2026-11No shared hours—
2026-12No shared hours—
2027-01No shared hours—
2027-02No shared hours—
2027-03No shared hours—
2027-04No shared hours—
2027-05No shared hours—
2027-06No shared hours—
2027-07No shared hours—
2027-08No shared hours—
2027-09No shared hours—

Questions

Is there any time Honolulu and Auckland are both at work?
Not on Monday, 28 September 2026. Honolulu works 19:00–03:00 UTC and Auckland works 20:00–04:00 UTC, and those windows do not overlap. Widening one side's hours or choosing another date is what changes that.
How far apart are Honolulu and Auckland?
On Monday, 28 September 2026, Honolulu is 23 hours behind Auckland — UTC-10:00 against UTC+13:00. Honolulu does not change clocks at all. Auckland changes clocks on Sunday, 4 April 2027, and the gap between them goes from 23 hours to 22 hours.
Does the overlap between Honolulu and Auckland change through the year?
There is no month in the twelve months from Monday, 28 September 2026 when Honolulu and Auckland are both inside their working hours. Honolulu does not change clocks at all. Auckland changes clocks on Sunday, 4 April 2027, and the gap between them goes from 23 hours to 22 hours.

Related city pairs

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