Reykjavik to Honolulu Time
GMT to HST Converter — 9 AM GMT is 11:00 PM HST
Reykjavik is 10 hours ahead of Honolulu. Convert any time between Reykjavik (GMT) and Honolulu (HST) instantly.
Reykjavik
Iceland
Honolulu
United States
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Time Zone Comparison
Reykjavik to Honolulu Time Conversion Table
| Reykjavik (GMT) | Honolulu (HST) |
|---|---|
| 12:00 AM | 2:00 PM |
| 2:00 AM | 4:00 PM |
| 4:00 AM | 6:00 PM |
| 6:00 AM | 8:00 PM |
| 8:00 AM | 10:00 PM |
| 10:00 AM | 12:00 AM |
| 12:00 PM | 2:00 AM |
| 2:00 PM | 4:00 AM |
| 4:00 PM | 6:00 AM |
| 6:00 PM | 8:00 AM |
| 8:00 PM | 10:00 AM |
| 10:00 PM | 12:00 PM |
Reykjavik & Honolulu — Business & Scheduling Guide
Reykjavik (Iceland) is a small but highly connected Nordic island economy, with key industries in fishing, geothermal energy, tourism, and aluminum smelting. Honolulu (United States) is a global financial and tech hub, known for technology, finance, healthcare, and entertainment. With a 10-hour time difference, professionals frequently schedule cross-border calls between these two cities for international trade, remote team collaboration, and client meetings.
Scheduling Meetings Between Reykjavik and Honolulu
With Honolulu 10 hours behind Reykjavik, there is minimal overlap in standard business hours. Most teams alternate meeting times to share the burden of early-morning or late-evening calls fairly. Icelandic business hours are typically 9 AM–5 PM, with one of the world's highest internet penetration rates. US business hours typically run 9 AM–5 PM, with a culture that values punctuality and efficiency. Consider recording meetings for those who can't attend live, and use shared documents for async collaboration.
Daylight Saving Time Considerations
Neither Reykjavik nor Honolulu observes Daylight Saving Time — Reykjavik stays on GMT and Honolulu stays on HST year-round. This makes scheduling between these two cities simpler, as the 10-hour time difference remains constant throughout the year with no DST surprises.
Collaboration Tools & Workflow
With a 10-hour time difference, Reykjavik and Honolulu teams operate in a near "follow-the-sun" model. When one team logs off, the other picks up — enabling near-24-hour productivity on shared projects. The key challenge is handoff quality: teams should document decisions in shared tools (Notion, Confluence, Linear), record video updates with Loom, and write thorough pull request descriptions. Weekly all-hands meetings require someone to take an early morning or late evening call, so the best practice is to rotate this burden fairly between Reykjavik and Honolulu.
Remote Work Between Reykjavik & Honolulu
Reykjavik, a key city in Iceland, and Honolulu, a key city in United States, represent a common corridor for distributed teams navigating a 10-hour time difference. Remote workers and freelancers operating between these cities should plan their day around the overlap window — typically the late morning for one city and early morning or late afternoon for the other. Using a world clock widget, setting Slack status with local time, and blocking "no-meeting" deep work hours outside the overlap are essential practices for productive cross-timezone remote collaboration between Reykjavik and Honolulu.
GMT to HST — Quick Reference
GMT (GMT) stands for the timezone used in Reykjavik, Iceland (UTC+0). HST (HST) is the timezone used in Honolulu, United States (UTC-10). Reykjavik is 10 hours ahead of Honolulu.
To convert GMT to HST, subtract 10 hours from GMT time. For example, GMT 9:00 AM = HST 11:00 PM (previous day).
Key Facts
- •Time difference: Reykjavik (UTC+0) is 10 hours ahead of Honolulu (UTC-10).
- •Daylight Saving Time: Reykjavik does not observe DST (GMT). Honolulu does not observe DST (HST).
- •Regions: Reykjavik is located in Iceland and uses the GMT time zone. Honolulu is located in United States and uses the HST time zone.
- •Best time to call: There are no overlapping standard work hours (9 AM - 5 PM) between these two cities.
Frequently Asked Questions
What is the time difference between Reykjavik and Honolulu?
Reykjavik is 10 hours ahead of Honolulu.
What time is it in Honolulu when it's 9 AM in Reykjavik?
When it's 9:00 AM in Reykjavik, it is 11:00 PM in Honolulu (previous day).
What time is 9 PM GMT in HST?
9 PM GMT (Reykjavik time) is 11:00 AM HST (Honolulu time). This is a common time people check when scheduling evening calls across these two time zones.
When is the best time to schedule a meeting between Reykjavik and Honolulu?
There are no overlapping standard work hours (9 AM - 5 PM) between these two cities.
How do I convert GMT to HST?
GMT (GMT) is the timezone for Reykjavik, Iceland (UTC+0). HST (HST) is the timezone for Honolulu, United States (UTC-10). Reykjavik is 10 hours ahead of Honolulu. Quick examples: 9 AM GMT = 11:00 PM HST, 12 PM GMT = 2:00 AM HST, 3 PM GMT = 5:00 AM HST, 6 PM GMT = 8:00 AM HST.
Is Reykjavik ahead of or behind Honolulu?
Reykjavik is 10 hours ahead of Honolulu. When it's noon in Reykjavik, it's 2:00 AM in Honolulu.
Does Reykjavik or Honolulu change clocks for Daylight Saving Time?
No, Reykjavik does not observe DST — it stays on GMT year-round. Honolulu does not observe DST — it stays on HST year-round.
What time is noon in Reykjavik in Honolulu time?
When it is 12:00 PM (noon) in Reykjavik (GMT), it is 2:00 AM in Honolulu (HST). This is often a popular time for scheduling lunch-hour calls across the Reykjavik–Honolulu corridor.
What are the overlapping work hours between Reykjavik and Honolulu?
There are no overlapping standard work hours (9 AM - 5 PM) between these two cities. This makes real-time collaboration challenging — most teams between Reykjavik and Honolulu rely on asynchronous communication (Slack, Loom, email) and rotate meeting times to share the inconvenience fairly.
What timezone is Reykjavik in?
Reykjavik is in the GMT time zone (UTC+0). It is located in Iceland. Reykjavik does not observe Daylight Saving Time.
What timezone is Honolulu in?
Honolulu is in the HST time zone (UTC-10). It is located in United States. Honolulu does not observe Daylight Saving Time.
How do I schedule a call between Reykjavik and Honolulu?
Since there are no standard overlapping work hours between Reykjavik and Honolulu, the best approach is to alternate meeting times. One week, the Reykjavik team takes an early/late call; the next week, the Honolulu team does. Use a scheduling tool like Calendly or Google Calendar with multiple time zones enabled to find the least disruptive time for both sides.
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