San Juan to Austin, TX: time difference
Austin, TX is 1 h behind San Juan. 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 Juan 03:58 3:58 AM Austin, TX 02:58 2:58 AM You –:–
03:58 3:58 AM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:48
02:58 2:58 AM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:58
·
−1 h
Austin, TX is 1 h behind San Juan.
When you, San Juan and Austin, TX 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 Juan
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
🇺🇸 Austin, TX
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇹 San Juan | 🇺🇸 Austin, TX |
|---|---|---|
| Local time | 03:58 | 02:58 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Atlantic Standard Time | Central Daylight Time |
| UTC offset | UTC-4 | UTC-5 |
| Offset from San Juan | — | −1 h |
| IANA zone | America/Port of Spain | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:55 | 07:36 |
| Sunset | 17:48 | 18:58 |
| Daylight | 11 h 52 min | 11 h 22 min |
| People on this clock | — | 974,447 |
Compare San Juan with another city
More comparisons with San Juan: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Juan and Austin, TX: common questions
What is the time difference between San Juan and Austin, TX?
Austin is 1 hour behind: it uses UTC−5, while San Juan is on UTC−4.
If it is 9:00 AM in San Juan, what time is it in Austin, TX?
At 9:00 AM in San Juan, clocks in Austin show 8:00 AM.
What time is it in Austin, TX, when it is 6:00 PM in San Juan?
When it is 6:00 PM in San Juan, it is 5:00 PM in Austin.
When is a good time to call Austin, TX, from San Juan?
Between 10:00 AM and 6:00 PM in San Juan – that is 9:00 AM to 5:00 PM in Austin – both places are within working hours (9:00 AM–6:00 PM).
Until what time in San Juan is it still yesterday in Austin, TX?
Before 1:00 AM in San Juan, the date in Austin has not changed yet. From 11:00 PM in Austin, it is already the next day in San Juan.
Does the time difference between San Juan and Austin, TX, change?
Yes. The clocks change only in Austin. From November 1, 2026, Austin will be 2 hours behind San Juan.
