Austin, TX to Keflavik: time difference
Keflavik is 5 h ahead of Austin, TX. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Austin, TX 19:17 7:17 PM Keflavik 00:17 12:17 AM You –:–
19:17 7:17 PM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:58
00:17 12:17 AM
Greenwich Mean Time · UTC+0
☀️ 08:29 · 🌙 18:03
·
+5 h
Keflavik is 5 h ahead of Austin, TX.
When you, Austin, TX and Keflavik are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Austin, TX
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇮🇸 Keflavik
5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM
📍 Your time
- Asleep
- Early
- Working hours
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Time zones side by side
| Detail | 🇺🇸 Austin, TX | 🇮🇸 Keflavik |
|---|---|---|
| Local time | 19:17 | 00:17 |
| Local date | Sunday, October 18, 2026 | Monday, October 19, 2026 |
| Time zone | Central Daylight Time | Greenwich Mean Time |
| UTC offset | UTC-5 | UTC+0 |
| Offset from Austin, TX | — | +5 h |
| IANA zone | America/Chicago | Atlantic/Reykjavik |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:36 | 08:29 |
| Sunset | 18:58 | 18:03 |
| Daylight | 11 h 22 min | 9 h 34 min |
| People on this clock | 974,447 | 15,000 |
Compare Austin, TX with another city
More comparisons with Austin, TX: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Austin, TX and Keflavik: common questions
How many hours ahead of Austin, TX, is Keflavik?
The clocks in Keflavik are 5 hours ahead of those in Austin (UTC+0 and UTC−5).
If it is 9:00 AM in Austin, TX, what time is it in Keflavik?
At 9:00 AM in Austin, clocks in Keflavik show 2:00 PM.
What time is it in Keflavik at the end of the working day in Austin, TX?
The working day in Austin ends at 6:00 PM; in Keflavik it is 11:00 PM at that moment.
When is a good time to call Keflavik from Austin, TX?
Between 9:00 AM and 1:00 PM in Austin – that is 2:00 PM to 6:00 PM in Keflavik – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Keflavik?
From 7:00 PM in Austin, TX, it is already the next day in Keflavik. The other way round, until 5:00 AM in Keflavik it is still the previous day in Austin.
Does the time gap between Austin, TX, and Keflavik change during the year?
Yes – daylight saving time is used in Austin but not in Keflavik. From November 1, 2026, Keflavik will be 6 hours ahead of Austin.
