Austin, TX to Arecibo: time difference
Arecibo is 1 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 13:01 1:01 PM Arecibo 14:01 2:01 PM You –:–
13:01 1:01 PM
Central Daylight Time · UTC-5
☀️ 07:35 · 🌙 18:59
14:01 2:01 PM
Atlantic Standard Time · UTC-4
☀️ 06:22 · 🌙 18:04
·
+1 h
Arecibo is 1 h ahead of Austin, TX.
When you, Austin, TX and Arecibo 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
🇵🇷 Arecibo
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 0 12 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Austin, TX | 🇵🇷 Arecibo |
|---|---|---|
| Local time | 13:01 | 14:01 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Central Daylight Time | Atlantic Standard Time |
| UTC offset | UTC-5 | UTC-4 |
| Offset from Austin, TX | — | +1 h |
| IANA zone | America/Chicago | America/Puerto Rico |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:35 | 06:22 |
| Sunset | 18:59 | 18:04 |
| Daylight | 11 h 24 min | 11 h 42 min |
| People on this clock | 974,447 | 39,634 |
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 Arecibo: common questions
How many hours ahead of Austin, TX, is Arecibo?
The clocks in Arecibo are 1 hour ahead of those in Austin (UTC−4 and UTC−5).
What time is it in Arecibo when it is 9:00 AM in Austin, TX?
When it is 9:00 AM in Austin, it is 10:00 AM in Arecibo.
What time is it in Arecibo at the end of the working day in Austin, TX?
The working day in Austin ends at 6:00 PM; in Arecibo it is 7:00 PM at that moment.
When do working hours in Austin, TX, and in Arecibo overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Austin, which is 10:00 AM to 6:00 PM in Arecibo.
When does the date change in Arecibo compared with Austin, TX?
The new day starts in Arecibo earlier: at 11:00 PM in Austin it is already midnight there. Until 1:00 AM in Arecibo, Austin is still on the previous day.
Does the time difference between Austin, TX, and Arecibo change?
Yes. The clocks change only in Austin. From November 1, 2026, Arecibo will be 2 hours ahead of Austin.
