Does Dubai observe daylight saving time?

No. Dubai stays on GST (UTC+4) all year, so its clocks don't change.

Does Tehran observe daylight saving time?

No. Tehran stays on IRST (UTC+3:30) all year, so its clocks don't change.

What time is it in Tehran when it's 9 AM in Dubai?

8:30 AM in Tehran, on the same day.

Dubai to Tehran Meeting Planner

Tehran is 30 minutes behind Dubai right now. Their working days overlap for 7 hours 30 minutes today.

Dubai · United Arab Emirates

5:38 AM

Sun, Oct 18 · GST

Tehran · Iran

5:08 AM

Sun, Oct 18 · IRST

Best Meeting Times Between Dubai and Tehran

9:30 AM to 5:00 PM in Dubai (9:00 AM to 4:30 PM in Tehran). That's when both cities are inside working hours, 9 AM to 5 PM, giving 7 hours 30 minutes of overlap today.

Who's meeting

2 of 4 places

DubaiOrganizerUnited Arab Emirates ·5:38AMnow
TehranIran ·5:08AMnow

Add a city

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in Dubai

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in Dubai time.

1:00PMBest · OptimalWorking hours in Dubai (13:00) and Tehran (12:30).
12:30PMOption 2 · OptimalWorking hours in Dubai (12:30) and Tehran (12:00).
1:30PMOption 3 · OptimalWorking hours in Dubai (13:30) and Tehran (13:00).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a half hour of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
DubaiGST
TehranUTC+3:30
UTC	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

Dubai1:00 PM GSTSun, Oct 18
Tehran12:30 PM UTC+3:30Sun, Oct 18
UTC2026-10-18 09:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Dubai and Tehran

Tehran is 30 minutes behind Dubai right now: Tehran is on IRST (UTC+3:30) and Dubai on GST (UTC+4). Neither city changes its clocks, so the gap is the same all year.

Time difference between Dubai and Tehran over the next 12 months
From	Difference	Why
Now	Tehran 30 minutes behind	—

Dubai is on Gulf Standard Time. Tehran is on Iran Standard Time.

Frequently Asked Questions: Dubai & Tehran Scheduling

What is the time difference between Dubai and Tehran?: Tehran is 30 minutes behind Dubai right now: Tehran is on IRST (UTC+3:30) and Dubai on GST (UTC+4). Neither city changes its clocks, so the gap is the same all year.
What is the best time to schedule a meeting between Dubai and Tehran?: 9:30 AM to 5:00 PM in Dubai (9:00 AM to 4:30 PM in Tehran). That's when both cities are inside working hours, 9 AM to 5 PM, giving 7 hours 30 minutes of overlap today.
Does Dubai observe daylight saving time?: No. Dubai stays on GST (UTC+4) all year, so its clocks don't change.
Does Tehran observe daylight saving time?: No. Tehran stays on IRST (UTC+3:30) all year, so its clocks don't change.
What time is it in Tehran when it's 9 AM in Dubai?: 8:30 AM in Tehran, on the same day.

Or see every city pair, or plan with more places in the meeting planner.