London to San Juan time converter
San Juan is 5 hours behind London. When it is 9:00 AM in London, it is 4:00 AM in San Juan.
9:38 AM in London, Wednesday, October 21, 2026
London to San Juan conversion table
Every hour of today in London and the matching time in San Juan. Light rows are typical working hours (9:00–18:00).
| London | San Juan |
|---|---|
| 12:00 AM | 7:00 PM−1 day |
| 1:00 AM | 8:00 PM−1 day |
| 2:00 AM | 9:00 PM−1 day |
| 3:00 AM | 10:00 PM−1 day |
| 4:00 AM | 11:00 PM−1 day |
| 5:00 AM | 12:00 AM |
| 6:00 AM | 1:00 AM |
| 7:00 AM | 2:00 AM |
| 8:00 AM | 3:00 AM |
| 9:00 AM | 4:00 AM |
| 10:00 AM | 5:00 AM |
| 11:00 AM | 6:00 AM |
| 12:00 PM | 7:00 AM |
| 1:00 PM | 8:00 AM |
| 2:00 PM | 9:00 AM |
| 3:00 PM | 10:00 AM |
| 4:00 PM | 11:00 AM |
| 5:00 PM | 12:00 PM |
| 6:00 PM | 1:00 PM |
| 7:00 PM | 2:00 PM |
| 8:00 PM | 3:00 PM |
| 9:00 PM | 4:00 PM |
| 10:00 PM | 5:00 PM |
| 11:00 PM | 6:00 PM |
Best time to call or meet
Both sides are at work from 2:00 PM – 6:00 PM in London (9:00 AM – 1:00 PM in San Juan).
Daylight saving time and the difference
The difference changes during the year because London and San Juan switch clocks on different dates:
- Oct 21, 2026 – Oct 25, 2026: -5h
- Oct 25, 2026 – Mar 28, 2027: -4h
- Mar 28, 2027 – Oct 21, 2027: -5h
Distance
London and San Juan are 6,758 km (4,199 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between London and San Juan?
San Juan is 5 hours behind London.
What time is it in San Juan when it is 9 AM in London?
When it is 9:00 AM in London, it is 4:00 AM in San Juan.
When is the best time to call San Juan from London?
Both sides are at work from 2:00 PM – 6:00 PM in London (9:00 AM – 1:00 PM in San Juan).
Does the time difference between London and San Juan change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.