Auckland and Chicago time difference

Chicago is 17 hours behind Auckland for most of the year.

Plan a meeting in Auckland and ChicagoOpens the free planner with both cities: drag the bands to any day and time, add more cities, and share the result.

Work hours overlap for 1 hour: 09:00–10:00 in Auckland, which is 16:00–17:00 the previous day in Chicago. Because the hours fall on different dates, they meet on four work days a week.

Hour by hour

On a usual work day (April 7, 2027). Green is 09:00–17:00 work time, dark is night (21:00–07:00).

Auckland	Chicago
00:00, Night	07:00previous day, Off hours
01:00, Night	08:00previous day, Off hours
02:00, Night	09:00previous day, Work hours
03:00, Night	10:00previous day, Work hours
04:00, Night	11:00previous day, Work hours
05:00, Night	12:00previous day, Work hours
06:00, Night	13:00previous day, Work hours
07:00, Off hours	14:00previous day, Work hours
08:00, Off hours	15:00previous day, Work hours
09:00, Work hours	16:00previous day, Work hours
10:00, Work hours	17:00previous day, Off hours
11:00, Work hours	18:00previous day, Off hours
12:00, Work hours	19:00previous day, Off hours
13:00, Work hours	20:00previous day, Off hours
14:00, Work hours	21:00previous day, Night
15:00, Work hours	22:00previous day, Night
16:00, Work hours	23:00previous day, Night
17:00, Off hours	00:00, Night
18:00, Off hours	01:00, Night
19:00, Off hours	02:00, Night
20:00, Off hours	03:00, Night
21:00, Night	04:00, Night
22:00, Night	05:00, Night
23:00, Night	06:00, Night

Through the year

Dates	Difference
October 8, 2026–October 31, 2026	Chicago is 18 hours behind Auckland
November 1, 2026–March 13, 2027	Chicago is 19 hours behind Auckland
March 14, 2027–April 3, 2027	Chicago is 18 hours behind Auckland
April 4, 2027–September 25, 2027	Chicago is 17 hours behind Auckland
September 26, 2027–October 7, 2027	Chicago is 18 hours behind Auckland

Clock changes

Auckland: April 4, 2027: clocks go back 1 hour; September 26, 2027: clocks go forward 1 hour.

Chicago: November 1, 2026: clocks go back 1 hour; March 14, 2027: clocks go forward 1 hour.

Questions

What time is it in Chicago when it is 09:00 in Auckland?

On a usual day it is 16:00 in Chicago.

Do Auckland and Chicago change their clocks on the same day?

No. They change on different dates, so the difference changes during the year; see the table above.