Oeiras to London time converter
London is 4 hours ahead of Oeiras. When it is 9:00 AM in Oeiras, it is 1:00 PM in London.
1:35 AM in Oeiras, Tuesday, October 20, 2026
Oeiras to London conversion table
Every hour of today in Oeiras and the matching time in London. Light rows are typical working hours (9:00–18:00).
| Oeiras | London |
|---|---|
| 12:00 AM | 4:00 AM |
| 1:00 AM | 5:00 AM |
| 2:00 AM | 6:00 AM |
| 3:00 AM | 7:00 AM |
| 4:00 AM | 8:00 AM |
| 5:00 AM | 9:00 AM |
| 6:00 AM | 10:00 AM |
| 7:00 AM | 11:00 AM |
| 8:00 AM | 12:00 PM |
| 9:00 AM | 1:00 PM |
| 10:00 AM | 2:00 PM |
| 11:00 AM | 3:00 PM |
| 12:00 PM | 4:00 PM |
| 1:00 PM | 5:00 PM |
| 2:00 PM | 6:00 PM |
| 3:00 PM | 7:00 PM |
| 4:00 PM | 8:00 PM |
| 5:00 PM | 9:00 PM |
| 6:00 PM | 10:00 PM |
| 7:00 PM | 11:00 PM |
| 8:00 PM | 12:00 AM+1 day |
| 9:00 PM | 1:00 AM+1 day |
| 10:00 PM | 2:00 AM+1 day |
| 11:00 PM | 3:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 2:00 PM in Oeiras (1:00 PM – 6:00 PM in London).
Daylight saving time and the difference
The difference changes during the year because Oeiras and London switch clocks on different dates:
- Oct 20, 2026 – Oct 24, 2026: +4h
- Oct 24, 2026 – Mar 27, 2027: +3h
- Mar 27, 2027 – Oct 20, 2027: +4h
Distance
Oeiras and London are 7,639 km (4,747 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Oeiras and London?
London is 4 hours ahead of Oeiras.
What time is it in London when it is 9 AM in Oeiras?
When it is 9:00 AM in Oeiras, it is 1:00 PM in London.
When is the best time to call London from Oeiras?
Both sides are at work from 9:00 AM – 2:00 PM in Oeiras (1:00 PM – 6:00 PM in London).
Does the time difference between Oeiras and London change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.