London to San José Time Difference
San José is 7 hours behind London. When it's 06:05:54 PM in London, it's 11:05:54 AM in San José.
How Many Hours Behind Is San José From London?
San José is 7 hours behind London. So London is 7 hours ahead of San José looking the other way — the same gap, described from the other end.
In practice that means a working day in London starts when it is already 2:00 AM in San José. The gap is not fixed all year: it becomes 6 hours on Sunday, October 25, 2026, when London changes its clocks.
Best Time to Call London and San José
Both cities are inside normal business hours between 4:00 PM and 5:00 PM in London — that's 9:00 AM to 10:00 AM in San José. That's a 1-hour window, so a call fits comfortably in either side's working day.
both at work London only San José only neither — hours shown along the strip are London local time.
Convert a Specific Time
Pick any date and time in London to see the exact equivalent in San José.
Common Times Converted
London time on the left, San José time on the right.
London to San José: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in London. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| London | San José | Working hours |
|---|---|---|
| 12:00 AM | 5:00 PM prev day | — |
| 1:00 AM | 6:00 PM prev day | — |
| 2:00 AM | 7:00 PM prev day | — |
| 3:00 AM | 8:00 PM prev day | — |
| 4:00 AM | 9:00 PM prev day | — |
| 5:00 AM | 10:00 PM prev day | — |
| 6:00 AM | 11:00 PM prev day | — |
| 7:00 AM | 12:00 AM | — |
| 8:00 AM | 1:00 AM | — |
| 9:00 AM | 2:00 AM | London only |
| 10:00 AM | 3:00 AM | London only |
| 11:00 AM | 4:00 AM | London only |
| 12:00 PM | 5:00 AM | London only |
| 1:00 PM | 6:00 AM | London only |
| 2:00 PM | 7:00 AM | London only |
| 3:00 PM | 8:00 AM | London only |
| 4:00 PM | 9:00 AM | Both cities |
| 5:00 PM | 10:00 AM | San José only |
| 6:00 PM | 11:00 AM | San José only |
| 7:00 PM | 12:00 PM | San José only |
| 8:00 PM | 1:00 PM | San José only |
| 9:00 PM | 2:00 PM | San José only |
| 10:00 PM | 3:00 PM | San José only |
| 11:00 PM | 4:00 PM | San José only |
Understanding the London – San José Time Difference
London runs on Europe/London, currently BST (UTC+1:00). San José runs on America/Costa_Rica, currently CST (UTC-6:00). The gap of 7 hours is simply the distance between those two offsets.
London observes Daylight Saving Time and San José does not, so the gap between them shifts by an hour twice a year. The next shift is on Sunday, October 25, 2026, when London adjusts its clocks and the difference becomes 6 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in the United Kingdom.
London today
San José today
Frequently Asked Questions
What is the time difference between London and San José?
San José is currently 7 hours behind London. That gap becomes 6 hours on Sunday, October 25, 2026, when London changes its clocks.
How many hours behind is San José from London?
San José is 7 hours behind London. Looking at it the other way, London is 7 hours ahead of San José.
What time is it in San José when it is 9:00 AM in London?
When it is 9:00 AM in London, it is 2:00 AM in San José.
Is San José ahead of or behind London?
San José is 7 hours behind London. London reaches each point in the day first, so San José is still getting started while the London working day is finishing.
What is the best time to call between London and San José?
Between 4:00 PM and 5:00 PM London time, which is 9:00 AM to 10:00 AM in San José. Both cities are inside normal business hours during that window.
Does the time difference between London and San José change during the year?
Yes. London observes Daylight Saving Time and San José does not, so the gap between them shifts during the year. It changes to 6 hours on Sunday, October 25, 2026.
What time zones are London and San José in?
London uses the Europe/London time zone, currently BST (UTC+1:00). San José uses America/Costa_Rica, currently CST (UTC-6:00).