Best time to reach Grenada (+1-473)
Grenada runs on Atlantic Standard Time — UTC−4 year-round. Tourism and spice export contacts in Saint George's are reachable 9 AM–5 PM AST.
AST (UTC−4), at a glance.
Grenada observes Atlantic Standard Time all year with no daylight saving. Saint George's and Grenville share UTC−4 across the island.
Grenada against the world's hubs.
Grenada is 4 h behind London, in sync with Halifax, and 1 h ahead of New York. Miami and New York callers overlap almost entirely with Grenada's business hours.
Understanding the time difference between the United States and Grenada
Time zone differences across other major countries
Why timing matters for calls to Grenada.
Grenada's spice export boards and resort operators keep structured hours. The 9–11 AM morning window catches decision-makers before midday and the afternoon wind-down.
The best windows to reach Grenada.
9 AM–12 PM AST for export and government contacts; 2 PM–4 PM for hotel and tourism operators. Fridays slow after 3 PM across the Eastern Caribbean.
Grenada runs at -04:00
The zone is America/Grenada. 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 Grenada.
No daylight saving
Grenada stays on -04:00 all year. The windows below only move when the caller's own country changes its clocks, not when Grenada does.
Shared hours with 3 of 5 markets
Callers in New York, Los Angeles, London share part of the working day with Grenada. 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 Grenada from those cities means someone is working outside normal hours — worth saying so when you book the call.
How to call Grenada using the +1-473 code.
Dial +1-473 then the seven-digit local number. Ringflow's NANP routing connects to Saint George's on Eastern Caribbean DID infrastructure.
Number anatomy
Dial exit code
Press + on mobile or 00 from most landlines. This opens an international line.
Enter +1-473
Grenada's international code. Every call to Grenada must start with +1-473.
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.
Jump to any country's best-time-to-call guide. Search by name, ISO or dial prefix.
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When your working day overlaps Grenada
Callers in New York, Los Angeles and London share part of the working day with Grenada. There is no shared working window with Mumbai and Sydney.
| Calling from | Grenada 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 Grenada'sstandard-time offset of -04:00. Grenada does not observe daylight saving, so these windows hold all year — though they shift when the caller's own country changes its clocks.
FAQ
Calling Grenada, answered.
Time zone, daylight saving and dialling questions for Grenada (+1-473).