The best time to call London from San Juan is 9 AM–12 PM your time (San Juan). London, UK is 5 hours ahead of San Juan, Puerto Rico. You have 3 hours of business hours overlap for scheduling calls.
Call between 9 AM–12 PM San Juan time. This is 2 PM–5 PM in London.
San Juan and London share 3 hours of overlapping business hours (9 AM – 5 PM local time).
The best time to call London from San Juan is 9 AM–12 PM San Juan time. This gives you 3 hours of business hours overlap.
London is 5 hours ahead of San Juan.
Avoid calling after 5 PM your time (it's late night there).
Yes, San Juan and London have approximately 3 hours of overlapping business hours per day.
You have 3 hours of overlap. Call during 9 AM–12 PM your time for the best results.
Both in business hours Both awake One outside comfort zone Sleeping hours
San Juan: 9 AM–12 PM AST
London: 2 PM–5 PM GMT+1
| San Juan (AST) | London (GMT+1) | Status |
|---|---|---|
| 7 AM | 12 PM | 🟡 They're awake |
| 8 AM | 1 PM | 🟡 They're awake |
| 9 AM | 2 PM | ✅ Both in office |
| 10 AM | 3 PM | ✅ Both in office |
| 11 AM | 4 PM | ✅ Both in office |
| 12 PM | 5 PM | 🟡 They're awake |
| 1 PM | 6 PM | 🟡 They're awake |
| 2 PM | 7 PM | 🟡 They're awake |
| 3 PM | 8 PM | 🟡 They're awake |
| 4 PM | 9 PM | 🟡 They're awake |
| 5 PM | 10 PM | 🔴 They're sleeping |
| 6 PM | 11 PM | 🔴 They're sleeping |
| 7 PM | 12 AM | 🔴 They're sleeping |
| 8 PM | 1 AM | 🔴 They're sleeping |
| 9 PM | 2 AM | 🔴 They're sleeping |