London to Vienna Time Difference
Vienna is 1 hour ahead of London. When it's 05:27:27 PM in London, it's 06:27:27 PM in Vienna.
How Many Hours Ahead Is Vienna From London?
Vienna is 1 hour ahead of London. So London is 1 hour behind Vienna looking the other way — the same gap, described from the other end.
In practice that means a working day in London starts when it is already 10:00 AM in Vienna. That gap holds all year — no clock change in either city moves it.
Best Time to Call London and Vienna
Both cities are inside normal business hours between 9:00 AM and 4:00 PM in London — that's 10:00 AM to 5:00 PM in Vienna. That's a 7-hour window, so a call fits comfortably in either side's working day.
both at work London only Vienna only neither — hours shown along the strip are London local time.
Convert a Specific Time
Pick any date and time in London to see the exact equivalent in Vienna.
Common Times Converted
London time on the left, Vienna time on the right.
London to Vienna: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in London. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| London | Vienna | Working hours |
|---|---|---|
| 12:00 AM | 1:00 AM | — |
| 1:00 AM | 2:00 AM | — |
| 2:00 AM | 3:00 AM | — |
| 3:00 AM | 4:00 AM | — |
| 4:00 AM | 5:00 AM | — |
| 5:00 AM | 6:00 AM | — |
| 6:00 AM | 7:00 AM | — |
| 7:00 AM | 8:00 AM | — |
| 8:00 AM | 9:00 AM | Vienna only |
| 9:00 AM | 10:00 AM | Both cities |
| 10:00 AM | 11:00 AM | Both cities |
| 11:00 AM | 12:00 PM | Both cities |
| 12:00 PM | 1:00 PM | Both cities |
| 1:00 PM | 2:00 PM | Both cities |
| 2:00 PM | 3:00 PM | Both cities |
| 3:00 PM | 4:00 PM | Both cities |
| 4:00 PM | 5:00 PM | London only |
| 5:00 PM | 6:00 PM | — |
| 6:00 PM | 7:00 PM | — |
| 7:00 PM | 8:00 PM | — |
| 8:00 PM | 9:00 PM | — |
| 9:00 PM | 10:00 PM | — |
| 10:00 PM | 11:00 PM | — |
| 11:00 PM | 12:00 AM next day | — |
Understanding the London – Vienna Time Difference
London runs on Europe/London, currently BST (UTC+1:00). Vienna runs on Europe/Vienna, currently CEST (UTC+2:00). The gap of 1 hour is simply the distance between those two offsets.
This difference holds steady all year — no clock change in either city moves it. A meeting time that works in January works just as well in July.
London today
Vienna today
Frequently Asked Questions
What is the time difference between London and Vienna?
Vienna is currently 1 hour ahead of London. This difference holds all year — no clock change in either city moves it.
How many hours ahead is Vienna from London?
Vienna is 1 hour ahead of London. Looking at it the other way, London is 1 hour behind Vienna.
What time is it in Vienna when it is 9:00 AM in London?
When it is 9:00 AM in London, it is 10:00 AM in Vienna.
Is Vienna ahead of or behind London?
Vienna is 1 hour ahead of London. Vienna reaches each point in the day first, so its working day is already finishing while London is still getting started.
What is the best time to call between London and Vienna?
Between 9:00 AM and 4:00 PM London time, which is 10:00 AM to 5:00 PM in Vienna. Both cities are inside normal business hours during that window.
Does the time difference between London and Vienna change during the year?
No. The difference between London and Vienna stays fixed all year round — no clock change in either city moves it.
What time zones are London and Vienna in?
London uses the Europe/London time zone, currently BST (UTC+1:00). Vienna uses Europe/Vienna, currently CEST (UTC+2:00).