Time difference between Brussels and Athens
Athens is 1 hour ahead of Brussels. When it's 9:00 in Brussels, it's 10:00 in Athens.
Athens is 1 hour ahead of Brussels.
On Monday, 5 October 2026, 09:00 in Brussels is 10:00 in Athens. Brussels is UTC+2; Athens is UTC+3.
The gap through 2026
It stays 1 hour all year — neither city changes its clocks against the other.
- Brussels moves its clocks forward on 29 March (UTC+1 → UTC+2).
- Athens moves its clocks forward on 29 March (UTC+2 → UTC+3).
- Brussels moves its clocks back on 25 October (UTC+2 → UTC+1).
- Athens moves its clocks back on 25 October (UTC+3 → UTC+2).
Brussels to Athens, hour by hour
On Monday 5 October.
| Brussels | Athens |
|---|---|
| 07:00 Early morning | 08:00 Early morning |
| 08:00 Early morning | 09:00 Working hours |
| 09:00 Working hours | 10:00 Working hours |
| 10:00 Working hours | 11:00 Working hours |
| 11:00 Working hours | 12:00 Working hours |
| 12:00 Working hours | 13:00 Working hours |
| 13:00 Working hours | 14:00 Working hours |
| 14:00 Working hours | 15:00 Working hours |
| 15:00 Working hours | 16:00 Working hours |
| 16:00 Working hours | 17:00 Evening |
| 17:00 Evening | 18:00 Evening |
| 18:00 Evening | 19:00 Evening |
| 19:00 Evening | 20:00 Evening |
| 20:00 Evening | 21:00 Evening |
| 21:00 Evening | 22:00 Sleeping hours |
| 22:00 Sleeping hours | 23:00 Sleeping hours |
Daylight saving in 2026
- Brussels moves its clocks forward on Sunday 29 March (UTC+1 → UTC+2).
- Athens moves its clocks forward on Sunday 29 March (UTC+2 → UTC+3).
- Brussels moves its clocks back on Sunday 25 October (UTC+2 → UTC+1).
- Athens moves its clocks back on Sunday 25 October (UTC+3 → UTC+2).
Best times for a call
Working hours (09:00–17:00) overlap for 7 hours: 09:00–16:00 in Brussels, which is 10:00–17:00 in Athens.
- Brussels 09:00Working hoursAthens 10:00Working hours
- Brussels 10:00Working hoursAthens 11:00Working hours
- Brussels 11:00Working hoursAthens 12:00Working hours
More time differences for Brussels and Athens
- New York and Brussels
- New York and Athens
- Los Angeles and Brussels
- Los Angeles and Athens
- Chicago and Brussels
- Chicago and Athens
- Denver and Brussels
- Denver and Athens
- Toronto and Brussels
- Toronto and Athens
- Vancouver and Brussels
- Vancouver and Athens
- Mexico City and Brussels
- Mexico City and Athens
- São Paulo and Brussels
- São Paulo and Athens
- Buenos Aires and Brussels
- Buenos Aires and Athens
- Bogotá and Brussels
- Bogotá and Athens
- London and Brussels
- London and Athens
- Dublin and Brussels
- Dublin and Athens
- Lisbon and Brussels
- Lisbon and Athens
- Madrid and Brussels
- Madrid and Athens
- Paris and Brussels
- Paris and Athens
- Amsterdam and Brussels
- Amsterdam and Athens
How the time difference calculator works
The difference is each city's offset from UTC on the date you pick, subtracted. Offsets come from the IANA time zone database in your browser.
Because countries change their clocks on different dates — or not at all — the gap between two cities can change for a few weeks a year. The calculator lists every change in the year.
Examples
- London is 5 hours ahead of New York for most of the year, but only 4 hours ahead for about three weeks in March and one week in late October.
- Dubai doesn't change its clocks, so its gap to London is 4 hours in winter and 3 hours in summer.
Good for
- Knowing when a colleague's day starts
- Setting expectations for replies across time zones
- Planning travel and jet lag
Frequently asked questions
- What time is it in Athens when it's 9 AM in Brussels?
- 10:00 AM — as of 5 October 2026. Athens is 1 hour ahead of Brussels.
- Does the time difference between Brussels and Athens change?
- No. It's 1 hour all through 2026: both cities change their clocks on the same dates.
- What's the best time for a call between Brussels and Athens?
- Between 09:00 and 16:00 Brussels time, when both cities are in working hours (09:00–17:00).
- What time zones are Brussels and Athens in?
- Brussels uses Europe/Brussels (UTC+2 today); Athens uses Europe/Athens (UTC+3 today).
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