One hour. That is the entire difference between Amsterdam and London, and it never changes. Both cities spring forward on the last Sunday of March and fall back on the last Sunday of October, locked together by the EU Summer Time Directive 2000/84/EC. When Amsterdam runs on Central European Summer Time (CEST, UTC+2), London is on British Summer Time (BST, UTC+1). When Amsterdam drops back to Central European Time (CET, UTC+1), London returns to Greenwich Mean Time (GMT, UTC+0). The gap holds.
That makes scheduling between the two cities unusually simple. No seasonal recalculation. No transition-week confusion like you get with Amsterdam vs New York, where the US and EU change clocks on different dates and the difference jumps to 5 hours for a week each spring and autumn.
Why Does the Amsterdam, London Time Gap Never Change?
Both the Netherlands and the United Kingdom follow the same DST transition dates. Clocks go forward at 01:00 UTC on the last Sunday of March. They go back at 01:00 UTC on the last Sunday of October. Because they shift together, the 1-hour offset is permanent.
Compare that to Amsterdam vs Dubai, where Dubai skips DST entirely and the gap shrinks from 3 hours in January to 2 hours in July. Or Amsterdam vs Sydney, where opposite-hemisphere DST cycles stretch and compress the difference between 8 and 10 hours depending on the season. Amsterdam and London give you none of that.
What Time Should You Schedule a Call Between Amsterdam and London?
Book meetings between 09:00 and 16:30 Amsterdam time. That gives you 08:00 to 15:30 in London. Both sides are at their desks.
| Amsterdam time | London time |
|---|---|
| 09:00 | 08:00 |
| 10:00 | 09:00 |
| 12:00 | 11:00 |
| 14:00 | 13:00 |
| 17:00 | 16:00 |
| 17:30 | 16:30 |
Skip the 13:00-13:30 Amsterdam slot. Dutch offices largely empty between 12:30 and 13:30 for a fast cold lunch. London lunch runs 13:00-14:00. That half-hour overlap is the only dead zone in an otherwise clear day.
Friday afternoons deserve extra attention. Many Amsterdam offices wind down early. A 16:00 Friday call stands a real chance of hitting voicemail. Schedule Friday meetings before 15:00 Amsterdam time, or push them to Monday.
When Do Amsterdam and London Stock Markets Overlap?
Euronext Amsterdam trades 09:00-17:40 CET/CEST. The London Stock Exchange trades 08:00-16:30 GMT/BST. That gives you a full 8 hours and 40 minutes of simultaneous trading, a near-complete overlap rare among European exchange pairs. By comparison, Amsterdam and New York share only about 2 hours at the tail of the European session.
Place trades that need both venues active between 09:00 and 16:30 Amsterdam time. After 16:30 London time (17:30 in Amsterdam), the LSE is closed. Euronext keeps running for another 10 minutes, but liquidity thins fast without London.
When Does the 1-Hour Rule Not Work for You?
The standard advice is schedule anything during working hours. That holds for most people. It fails for one group: financial services professionals who need same-day trade confirmation from a London counterparty.
The danger window is 16:30-17:30 Amsterdam time. Euronext is still open. London has closed. If you need a London desk to confirm a trade, catch them before 16:30 London time. After that, you wait until 08:00 London time the next morning. No exceptions.