No overlap — one side will join outside working hours
GST (Dubai)
CDT (Chicago)
00:00
15:00-1dWorking
01:00
16:00-1dWorking
02:00
17:00-1d
03:00
18:00-1d
04:00
19:00-1d
05:00
20:00-1d
06:00
21:00-1d
07:00
22:00-1d
08:00
23:00-1d
09:00Working
00:00off
10:00Working
01:00off
11:00Working
02:00off
12:00Working
03:00off
13:00Working
04:00off
14:00Working
05:00off
15:00Working
06:00off
16:00Working
07:00off
17:00
08:00
18:00
09:00Working
19:00
10:00Working
20:00
11:00Working
21:00
12:00Working
22:00
13:00Working
23:00
14:00Working
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between gst and cdt?
Gulf Standard Time (gst) is UTC+4 and Central Daylight Time (cdt) is UTC-5. The difference between them is 9 hours.
Where is gst used?
Gulf Standard Time (gst) is used in United Arab Emirates and surrounding regions. The IANA timezone identifier is Asia/Dubai.
Where is cdt used?
Central Daylight Time (cdt) is used in USA and surrounding regions. The IANA timezone identifier is America/Chicago.
How do I convert gst to cdt?
Use the interactive converter above. Drag the time slider to any gst time and the cdt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
GST (Dubai) is 9 hours ahead of CDT (Chicago). When it's noon in GST (Dubai), it's 03:00 in CDT (Chicago).
GST (Dubai) runs on Asia/Dubai; CDT (Chicago) runs on America/Chicago. Together they are 9 hours apart.
Daily overlap window
There is no business hours overlap between GST (Dubai) and CDT (Chicago) during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best call times between these locations
GST (Dubai) and CDT (Chicago) have no shared working window. These slots minimize out-of-hours disruption for both sides.
16:00 Dubai / 07:00 Chicago⚡ One side off-hours
⚠️ 2h before working hours in Chicago
18:00 Dubai / 09:00 Chicago⚡ One side off-hours
⚠️ 2h after working hours in Dubai
15:00 Dubai / 06:00 Chicago⚡ One side off-hours
⚠️ 3h before working hours in Chicago
Working hours defined as 09:00–17:00 local time for each location.
Public holidays this year
GST (Dubai)
No upcoming public holidays this year.
CDT (Chicago)8 holidays
Jun 19Juneteenth National Independence DaySOON
Jul 3Independence Day
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
GST (Dubai) and CDT (Chicago) — practical scheduling
Coordinating between GST (Dubai) (United Arab Emirates) and CDT (Chicago) (USA) means working around a 9-hour time difference. Since standard business hours don't naturally overlap, meetings usually require one side to shift slightly outside their normal working day.
💡 Practical scheduling guidelines
⚡
A 16:00 meeting in GST (Dubai) means 07:00 in CDT (Chicago) (2h before working hours in Chicago).
⚡
A 18:00 meeting in GST (Dubai) means 09:00 in CDT (Chicago) (2h after working hours in Dubai).
⚡
A 15:00 meeting in GST (Dubai) means 06:00 in CDT (Chicago) (3h before working hours in Chicago).
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am GST (Dubai)".
