Teresina to London Time Difference
London is 4 hours ahead of Teresina. When it is noon in Teresina, it is 16:00 in London.
Fortaleza (UTC-3) → London (UTC+1)
🕐 Interactive Time Explorer
When it's 03:00 in Teresina, it's 07:00 in London
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Teresina & London✓ Perfect Match (4 hours)
◐ Extended Hours (6 hours)
✈️ Travel Information
Distance
7,480 km
Est. Flight Time
~9.8h
Time Difference
+4h
Work Hours Overlap
4h
Good
🔴 Office Closed
Today 09:00
09:00 - 13:00
⏰ Quick Conversion
06:00
Teresina
10:00
London
09:00
Teresina
13:00
London
12:00
Teresina
16:00
London
15:00
Teresina
19:00
London
18:00
Teresina
22:00
London
21:00
Teresina
01:00
London (+1)
00:00
Teresina
04:00
London
03:00
Teresina
07:00
London
Frequently Asked Questions
How many hours is Teresina behind London?
London is 4 hours ahead of Teresina. When it is 12:00 noon in Teresina, it is 16:00 in London. Teresina operates on America/Fortaleza (UTC-3), while London uses Europe/London (UTC+1).
What is the best time to call London from Teresina?
There are 4 hours of overlapping business time (9 AM–5 PM) between Teresina and London. The best window is 09:00–13:00 Teresina time (13:00–17:00 in London).
Does the Teresina to London 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 Teresina and London
The distance between Teresina and London is approximately 7,480 km. A direct flight typically takes around 9.8 hours. Your arrival clock will show local London time — use our Flight Time Calculator to predict exact arrival times.