When to phone Bermuda (+1-441)
Bermuda runs on Atlantic Standard Time — UTC−4 (UTC−3 in summer DST). Reinsurance and wealth contacts in Hamilton are best reached 9 AM–5 PM AST.
AST/ADT (UTC−4/−3), at a glance.
Bermuda observes Atlantic Standard Time in winter (UTC−4) and Atlantic Daylight Time in summer (UTC−3). Hamilton and St George's share one time zone.
Bermuda against the world's hubs.
Bermuda is 4 h behind London in winter (3 h in summer DST), in sync with Halifax, and 1 h ahead of New York. London reinsurance desks can reach Bermuda 2–5 PM London time.
Understanding the time difference between the United States and Bermuda
Time zone differences across other major countries
Why timing matters for calls to Bermuda.
Bermuda's reinsurance market synchronises with Lloyd's of London openings. The 9 AM–12 PM Bermuda window aligns with the London afternoon — critical for catastrophe bond and treaty negotiations.
The best windows to reach Bermuda.
9 AM–12 PM AST for front-office reinsurance; 2 PM–4 PM for back-office operations. Fridays are often used for internal reviews — call Thursday morning for the best access.
Bermuda runs at -04:00
The zone is Atlantic/Bermuda. Every window on this page is worked out from that offset rather than a rule of thumb, so the times shown are the ones that actually apply to Bermuda.
Clocks change here
Bermuda observes daylight saving, shifting to -03:00 in its summer. A window that works in January moves by an hour later in the year, so re-check before scheduling a recurring call.
Shared hours with 3 of 5 markets
Callers in New York, Los Angeles, London share part of the working day with Bermuda. The table above gives the exact intersection for each.
Where the gap is too wide
There is no 9-to-5 overlap with Mumbai, Sydney. Calling Bermuda from those cities means someone is working outside normal hours — worth saying so when you book the call.
How to call Bermuda using the +1-441 code.
Dial +1-441 then the seven-digit local number. Ringflow's NANP routing connects to Hamilton on Atlantic carrier-grade infrastructure.
Number anatomy
Dial exit code
Press + on mobile or 00 from most landlines. This opens an international line.
Enter +1-441
Bermuda's international code. Every call to Bermuda must start with +1-441.
Area prefix
Add the local area or mobile network code — always drop any leading zero used for domestic calls.
Full number
Dial the remaining subscriber digits. Your number is now correctly formatted for international routing.
Best time to call — every country.
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Reach Bermuda contacts in their window, on the right network.
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When your working day overlaps Bermuda
Callers in New York, Los Angeles and London share part of the working day with Bermuda. There is no shared working window with Mumbai and Sydney.
| Calling from | Bermuda is | Call at (your time) | Which is (their time) |
|---|---|---|---|
| New York | 1h ahead | 9:00 AM – 4:00 PM | 10:00 AM – 5:00 PM |
| Los Angeles | 4h ahead | 9:00 AM – 1:00 PM | 1:00 PM – 5:00 PM |
| London | 4h behind | 1:00 PM – 5:00 PM | 9:00 AM – 1:00 PM |
| Mumbai | 9h 30m behind | No shared working hours — you would need to call outside 9am-5pm | |
| Sydney | 15h behind | No shared working hours — you would need to call outside 9am-5pm | |
Windows are the intersection of a 9am-5pm working day in each place, using Bermuda'sstandard-time offset of -04:00. Bermuda observes daylight saving, so during its summer the offset moves to -03:00 and each window shifts by an hour.
FAQ
Calling Bermuda, answered.
Time zone, daylight saving and dialling questions for Bermuda (+1-441).