Best time to call Rome from London
Best window: 9 AM–4 PM in London (10 AM–5 PM in Rome), both cities are inside 9 AM–5 PM office hours. Rome is 1 hour ahead of London. (as of July 2026, recalculated live in your browser.)
Live from your device clock via the IANA time-zone database built into your browser.
Hour-by-hour overlap
Both 9 AM–5 PM Both awake (7 AM–10 PM) One side asleep
| London | Rome | Call quality |
|---|---|---|
| 12 AM | 1 AM | Too early / too late |
| 1 AM | 2 AM | Too early / too late |
| 2 AM | 3 AM | Too early / too late |
| 3 AM | 4 AM | Too early / too late |
| 4 AM | 5 AM | Too early / too late |
| 5 AM | 6 AM | Too early / too late |
| 6 AM | 7 AM | Too early / too late |
| 7 AM | 8 AM | One side off-hours |
| 8 AM | 9 AM | One side off-hours |
| 9 AM | 10 AM | Both in office hours |
| 10 AM | 11 AM | Both in office hours |
| 11 AM | 12 PM | Both in office hours |
| 12 PM | 1 PM | Both in office hours |
| 1 PM | 2 PM | Both in office hours |
| 2 PM | 3 PM | Both in office hours |
| 3 PM | 4 PM | Both in office hours |
| 4 PM | 5 PM | One side off-hours |
| 5 PM | 6 PM | One side off-hours |
| 6 PM | 7 PM | One side off-hours |
| 7 PM | 8 PM | One side off-hours |
| 8 PM | 9 PM | One side off-hours |
| 9 PM | 10 PM | Too early / too late |
| 10 PM | 11 PM | Too early / too late |
| 11 PM | 12 AM +1 day | Too early / too late |
Grid prerendered July 2026 and recomputed in your browser on load, so daylight-saving switches are always reflected. Both London and Rome observe daylight saving time, but they switch on different dates, the gap between them shifts for a few weeks each spring and autumn.
Frequently asked questions
How many hours ahead is Rome of London?
Rome is 1 hour ahead of London. (Checked July 2026; where daylight saving applies, the gap can shift by an hour part of the year, the page recalculates live.)
What time is 9 AM in London in Rome?
9 AM in London is 10 AM in Rome.
Do London and Rome change clocks for daylight saving?
Both London and Rome observe daylight saving time, but they switch on different dates, the gap between them shifts for a few weeks each spring and autumn.
Which hours work for a call?
Best window: 9 AM–4 PM in London (10 AM–5 PM in Rome), both cities are inside 9 AM–5 PM office hours.