What is the time difference between Dubai and Reykjavík?

Reykjavík is 4 hours behind Dubai. 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 Reykjavík from Dubai?

Between 13:00–18:00 in Dubai, which is 09:00–14:00 in Reykjavík. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Dubai observe daylight saving time?

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

Does Reykjavík observe daylight saving time?

No. Reykjavík stays on UTC+0 all year, so its clocks never move.

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

It is 08:00 in Reykjavík, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.

Which time zones do Dubai and Reykjavík use?

Dubai uses Asia/Dubai, currently UTC+4 (GST), and Reykjavík uses Atlantic/Reykjavik, currently UTC+0 (GMT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Dubai time to Reykjavík time

Reykjavík is 4 hours behind Dubai right now, so midday in Dubai lands in the morning in Reykjavík.

Convert a time

From

Date

Time

Converted time

—

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 Dubai, and what the clock reads in Reykjavík at that same moment.

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

Daylight saving time

Both cities keep one offset all year. Whatever difference holds today still holds in six months.

Dubai

Does not observe daylight saving time

Standard: UTC+4

Reykjavík

Does not observe daylight saving time

Standard: UTC+0

When you can actually talk

You have 5 hours of shared working time: 13:00–18:00 in Dubai, which is 09:00–14:00 in Reykjavík.

Dubai 13:00–18:00Reykjavík 09:00–14:00

Reference

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

	Dubai	Reykjavík
IANA zone	Asia/Dubai	Atlantic/Reykjavik
Abbreviation	GST	GMT
Standard offset	UTC+4	UTC+0
Daylight offset	—	—
Clock changes this year	0	0
Country	United Arab Emirates	Iceland

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

Common questions

What is the time difference between Dubai and Reykjavík?: Reykjavík is 4 hours behind Dubai. 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 Reykjavík from Dubai?: Between 13:00–18:00 in Dubai, which is 09:00–14:00 in Reykjavík. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Dubai observe daylight saving time?: No. Dubai stays on UTC+4 all year, so its clocks never move.
Does Reykjavík observe daylight saving time?: No. Reykjavík stays on UTC+0 all year, so its clocks never move.
If it is midday in Dubai, what time is it in Reykjavík?: It is 08:00 in Reykjavík, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.
Which time zones do Dubai and Reykjavík use?: Dubai uses Asia/Dubai, currently UTC+4 (GST), and Reykjavík uses Atlantic/Reykjavik, currently UTC+0 (GMT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.