San Antonio to Reykjavik: time difference
Reykjavik is 3 h ahead of San Antonio. 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.
San Antonio 23:54 11:54 PM Reykjavik 02:54 2:54 AM You –:–
23:54 11:54 PM
Paraguay Summer Time · UTC-3
☀️ 06:15 · 🌙 18:58
02:54 2:54 AM
Greenwich Mean Time · UTC+0
☀️ 08:27 · 🌙 18:00
·
+3 h
Reykjavik is 3 h ahead of San Antonio.
When you, San Antonio and Reykjavik are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇾 San Antonio
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
🇮🇸 Reykjavik
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇾 San Antonio | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 23:54 | 02:54 |
| Local date | Saturday, October 17, 2026 | Sunday, October 18, 2026 |
| Time zone | Paraguay Summer Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from San Antonio | — | +3 h |
| IANA zone | America/Asuncion | Atlantic/Reykjavik |
| Daylight saving | On summer time → UTC-4, Mar 27, 23:00 | Not observed |
| Sunrise | 06:15 | 08:27 |
| Sunset | 18:58 | 18:00 |
| Daylight | 12 h 43 min | 9 h 33 min |
| People on this clock | 68,127 | 136,894 |
Compare San Antonio with another city
More comparisons with San Antonio: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Antonio and Reykjavik: common questions
How many hours ahead of San Antonio is Reykjavik?
The clocks in Reykjavik are 3 hours ahead of those in San Antonio (UTC+0 and UTC−3).
What time is it in Reykjavik when it is 9:00 AM in San Antonio?
When it is 9:00 AM in San Antonio, it is 12:00 PM in Reykjavik.
What time is it in Reykjavik when it is 6:00 PM in San Antonio?
When it is 6:00 PM in San Antonio, it is 9:00 PM in Reykjavik.
Is there a time when both San Antonio and Reykjavik are at work?
Yes: from 9:00 AM to 3:00 PM in San Antonio (12:00 PM to 6:00 PM in Reykjavik), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Reykjavik?
From 9:00 PM in San Antonio it is already the next day in Reykjavik. The other way round, until 3:00 AM in Reykjavik it is still the previous day in San Antonio.
Does the time gap between San Antonio and Reykjavik change during the year?
No, the clocks change neither in San Antonio nor in Reykjavik, so the gap is 3 hours all year round.
