Austin, TX to Charlestown: time difference
Charlestown 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 03:31 3:31 AM Charlestown 04:31 4:31 AM You –:–
03:31 3:31 AM
Central Daylight Time · UTC-5
☀️ 07:30 · 🌙 19:07
04:31 4:31 AM
Atlantic Standard Time · UTC-4
☀️ 06:03 · 🌙 17:53
·
+1 h
Charlestown is 1 h ahead of Austin, TX.
When you, Austin, TX and Charlestown 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
🇰🇳 Charlestown
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
- Asleep
- Early
- Working hours
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- Both working
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Time zones side by side
| Detail | 🇺🇸 Austin, TX | 🇰🇳 Charlestown |
|---|---|---|
| Local time | 03:31 | 04:31 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 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/St Kitts |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:30 | 06:03 |
| Sunset | 19:07 | 17:53 |
| Daylight | 11 h 36 min | 11 h 51 min |
| People on this clock | 974,447 | 1,500 |
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 Charlestown: common questions
How far ahead of Austin, TX, is Charlestown?
Charlestown is 1 hour ahead of Austin: UTC−4 against UTC−5.
What time is it in Charlestown when it is 9:00 AM in Austin, TX?
When it is 9:00 AM in Austin, it is 10:00 AM in Charlestown.
If it is 6:00 PM in Austin, TX, what time is it in Charlestown?
At 6:00 PM in Austin, clocks in Charlestown show 7:00 PM.
When do working hours in Austin, TX, and in Charlestown 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 Charlestown.
When is it already the next day in Charlestown?
From 11:00 PM in Austin, TX, it is already the next day in Charlestown. The other way round, until 1:00 AM in Charlestown it is still the previous day in Austin.
Does the time difference between Austin, TX, and Charlestown change?
Yes. The clocks change only in Austin. From November 1, 2026, Charlestown will be 2 hours ahead of Austin.
