What is the time difference between Reykjavík and New York?

New York is 4 hours behind Reykjavík. 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 New York from Reykjavík?

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

Does Reykjavík observe daylight saving time?

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

Does New York observe daylight saving time?

Yes. New York runs on UTC-5 in winter and UTC-4 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

If it is midday in Reykjavík, what time is it in New York?

It is 08:00 in New York, 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 Reykjavík and New York use?

Reykjavík uses Atlantic/Reykjavik, currently UTC+0 (GMT), and New York uses America/New_York, currently UTC-4 (EDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Reykjavík time to New York time

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

Convert a time

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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

The whole day mapped across: read down the left for Reykjavík, across for New York.

Reykjavík	New York
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

New York changes its clocks; Reykjavík does not. The difference between them therefore shifts by an hour twice a year.

Reykjavík

Does not observe daylight saving time

Standard: UTC+0

New York

Observes daylight saving time

Standard: UTC-5
Daylight: UTC-4
Next change: 2026-11-01 −60m

When you can actually talk

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

Reykjavík 13:00–18:00New York 09:00–14:00

Reference

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

	Reykjavík	New York
IANA zone	Atlantic/Reykjavik	America/New_York
Abbreviation	GMT	EDT
Standard offset	UTC+0	UTC-5
Daylight offset	—	UTC-4
Clock changes this year	0	2
Country	Iceland	United States

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

Common questions

What is the time difference between Reykjavík and New York?: New York is 4 hours behind Reykjavík. 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 New York from Reykjavík?: Between 13:00–18:00 in Reykjavík, which is 09:00–14:00 in New York. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Reykjavík observe daylight saving time?: No. Reykjavík stays on UTC+0 all year, so its clocks never move.
Does New York observe daylight saving time?: Yes. New York runs on UTC-5 in winter and UTC-4 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.
If it is midday in Reykjavík, what time is it in New York?: It is 08:00 in New York, 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 Reykjavík and New York use?: Reykjavík uses Atlantic/Reykjavik, currently UTC+0 (GMT), and New York uses America/New_York, currently UTC-4 (EDT). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.