How many hours is Oslo ahead of New York?

Oslo is normally 6 hours ahead of New York. This applies when both cities are on standard time (EST/CET, November to mid-March) or when both are on daylight saving time (EDT/CEST, late March to early November). During the brief transition weeks in spring and autumn when the clocks change on different dates, the offset can be 5 or 7 hours.

Does the offset change for daylight saving time?

The offset stays at 6 hours for most of the year because both New York and Oslo observe daylight saving time. However, they switch on different weekends. In spring, Europe switches before the US, making Oslo temporarily 7 hours ahead. In autumn, Europe switches back first, briefly making Oslo only 5 hours ahead.

What time zones does each city use?

New York uses Eastern Time — EST (UTC-5) in winter and EDT (UTC-4) in summer. Oslo uses Central European Time — CET (UTC+1) in winter and CEST (UTC+2) in summer.

If it is 9 AM in New York, what time is it in Oslo?

During most of the year the offset is 6 hours, so 9 AM New York corresponds to 3 PM Oslo. Use the live clocks above to confirm the exact time right now, especially around DST transition dates.

Is this tool accurate to the second?

Yes. The clocks update every second using your device's system time and the browser's Intl API. As long as your device clock is correct, the displayed times will be accurate.

Time Difference: New York to Oslo

Name: Time Difference: New York to Oslo
Availability: InStock
Author: Nham Vu

See the live time in New York and Oslo side by side, with the exact hour offset between them.

New York

Eastern Time

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Oslo

Central European Time

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Current Offset

Calculating...

Oslo is ahead of New York

Meeting Planner

Enter a time in New York to see the equivalent time in Oslo, or vice versa.

New York Time

Oslo Time

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Oslo Time

New York Time

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Summary

See the live time in New York and Oslo side by side, with the exact hour offset between them.

How it works

Your browser's built-in Intl.DateTimeFormat API retrieves the current wall-clock time in each city's IANA time zone.
New York uses the "America/New_York" zone (UTC-5 in winter / UTC-4 in summer).
Oslo uses the "Europe/Oslo" zone (UTC+1 in winter / UTC+2 in summer).
The tool computes the hour offset by comparing the UTC offsets of both zones at the current moment.
Both clocks tick every second so the displayed times are always up to date.
A color-coded badge highlights the live offset, including during DST transition weeks when it briefly differs.

Use cases

Schedule a video call between a New York team and an Oslo office without manual timezone math.
Check whether colleagues in Oslo have already left for the day before sending a message.
Plan travel departures and arrivals when flying between New York and Oslo.
Verify a project deadline or webinar start time across the Atlantic.
Confirm the offset during DST transition weeks when it briefly differs from the usual 6 hours.
Use as a quick reference widget while working remotely across time zones.

Frequently Asked Questions

Last updated: 2026-06-11 · Reviewed by Nham Vu