What is the time difference between Chicago and Dubai?

Dubai is 9 hours ahead of Chicago. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Dubai from Chicago?

There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.

Does Chicago observe daylight saving time?

Yes. Chicago runs on UTC-6 in winter and UTC-5 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

Does Dubai observe daylight saving time?

No. Dubai stays on UTC+4 all year, so its clocks never move.

If it is midday in Chicago, what time is it in Dubai?

It is 21:00 in Dubai, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Chicago and Dubai use?

Chicago uses America/Chicago, currently UTC-5 (CDT), and Dubai uses Asia/Dubai, currently UTC+4 (GST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Chicago time to Dubai time

Dubai is 9 hours ahead of Chicago right now, so midday in Chicago lands in the evening in Dubai.

Convert a time

From

Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

Every hour of a day in Chicago, and what the clock reads in Dubai at that same moment.

Chicago	Dubai
00:00	09:00
01:00	10:00
02:00	11:00
03:00	12:00
04:00	13:00
05:00	14:00
06:00	15:00
07:00	16:00
08:00	17:00
09:00	18:00
10:00	19:00
11:00	20:00
12:00	21:00
13:00	22:00
14:00	23:00
15:00	00:00next day
16:00	01:00next day
17:00	02:00next day
18:00	03:00next day
19:00	04:00next day
20:00	05:00next day
21:00	06:00next day
22:00	07:00next day
23:00	08:00next day

Daylight saving time

Dubai keeps one offset all year while Chicago moves twice. That is the whole reason this difference is seasonal.

Chicago

Observes daylight saving time

Standard: UTC-6
Daylight: UTC-5
Next change: 2026-11-01 −60m

Dubai

Does not observe daylight saving time

Standard: UTC+4

When you can actually talk

There is no hour where both cities are inside a 09:00–18:00 working day. Someone has to move — the nearest workable windows are below.

Chicago 00:00–18:00Dubai 09:00–03:00

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

	Chicago	Dubai
IANA zone	America/Chicago	Asia/Dubai
Abbreviation	CDT	GST
Standard offset	UTC-6	UTC+4
Daylight offset	UTC-5	—
Clock changes this year	2	0
Country	United States	United Arab Emirates

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Chicago and Dubai?: Dubai is 9 hours ahead of Chicago. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Dubai from Chicago?: There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.
Does Chicago observe daylight saving time?: Yes. Chicago runs on UTC-6 in winter and UTC-5 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.
Does Dubai observe daylight saving time?: No. Dubai stays on UTC+4 all year, so its clocks never move.
If it is midday in Chicago, what time is it in Dubai?: It is 21:00 in Dubai, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Chicago and Dubai use?: Chicago uses America/Chicago, currently UTC-5 (CDT), and Dubai uses Asia/Dubai, currently UTC+4 (GST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.