Sydney to Teresina Time Difference
Teresina is 13 hours behind Sydney. When it is noon in Sydney, it is 23:00 in Teresina.
Sydney (UTC+10) → Fortaleza (UTC-3)
🕐 Interactive Time Explorer
When it's 14:00 in Sydney, it's 01:00 in Teresina
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Sydney & Teresina◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
15,439 km
Est. Flight Time
~19.2h
Time Difference
-13h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Sydney
17:00
Teresina (-1)
09:00
Sydney
20:00
Teresina (-1)
12:00
Sydney
23:00
Teresina (-1)
15:00
Sydney
02:00
Teresina
18:00
Sydney
05:00
Teresina
21:00
Sydney
08:00
Teresina
00:00
Sydney
11:00
Teresina (-1)
03:00
Sydney
14:00
Teresina (-1)
Frequently Asked Questions
How many hours is Sydney ahead of Teresina?
Teresina is 13 hours behind Sydney. When it is 12:00 noon in Sydney, it is 23:00 in Teresina. Sydney operates on Australia/Sydney (UTC+10), while Teresina uses America/Fortaleza (UTC-3).
What is the best time to call Teresina from Sydney?
Standard business hours (9 AM–5 PM) do not overlap between Sydney and Teresina due to the 13 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Sydney to Teresina time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Sydney and Teresina
The distance between Sydney and Teresina is approximately 15,439 km. A direct flight typically takes around 19.2 hours. Your arrival clock will show local Teresina time — use our Flight Time Calculator to predict exact arrival times.