Meeting planner for 2026
Best meeting time for San Francisco and Seoul
Seoul is 16 hours ahead of San Francisco for most of 2026. Their 09:00 to 17:00 working hours do not overlap, so the least painful 1 hour meeting is 15:00 to 16:00 in San Francisco, which is 07:00 to 08:00 the next day in Seoul.
Working hours overlap in 2026
Both cities working 09:00 to 17:00 local time. When the time difference changes during the year, so do the shared hours.
| Time difference | When in 2026 | In San Francisco | In Seoul | Shared hours |
|---|---|---|---|---|
| Seoul 16 hours ahead | Most of the year | 15:00 to 16:00, great | 07:00 to 08:00 (next day), early | None |
| Seoul 17 hours ahead | 1 January to 7 March and 1 November to 31 December | 16:00 to 17:00 | 09:00 to 10:00 (next day) | 1 hour |
Worked out for 8 July and 4 February 2026. When working hours do not overlap, the row shows the least painful 1 hour meeting and how it rates for each city: an hour just before or after work counts for less than an hour when someone is asleep.
Time difference between San Francisco and Seoul in 2026
Seoul is 16 hours ahead of San Francisco for most of 2026. From 1 January to 7 March and from 1 November to 31 December 2026, Seoul is 17 hours ahead of San Francisco.
| Dates in 2026 | San Francisco | Seoul | Difference |
|---|---|---|---|
| 1 January to 7 March | UTC-08:00, standard | UTC+09:00 | Seoul 17 hours ahead |
| 8 March to 31 October | UTC-07:00, daylight saving | UTC+09:00 | Seoul 16 hours ahead |
| 1 November to 31 December | UTC-08:00, standard | UTC+09:00 | Seoul 17 hours ahead |
Clock changes in 2026
- San Francisco is on UTC-08:00 in standard time and UTC-07:00 in daylight saving time. Clocks go forward 1 hour at 02:00 on Sunday 8 March 2026 and back 1 hour at 02:00 on Sunday 1 November 2026.
- Seoul stays on UTC+09:00 all year and does not change clocks.
San Francisco to Seoul time conversion
Hour by hour on Wednesday 8 July 2026, when Seoul is 16 hours ahead of San Francisco. At other times of the year, adjust by the change in the time difference above. Working hours are 09:00 to 17:00 in both cities.
| San Francisco | Seoul | Working |
|---|---|---|
| 00:00 | 16:00 | Seoul only |
| 01:00 | 17:00 | Neither |
| 02:00 | 18:00 | Neither |
| 03:00 | 19:00 | Neither |
| 04:00 | 20:00 | Neither |
| 05:00 | 21:00 | Neither |
| 06:00 | 22:00 | Neither |
| 07:00 | 23:00 | Neither |
| 08:00 | 00:00 (next day) | Neither |
| 09:00 | 01:00 (next day) | San Francisco only |
| 10:00 | 02:00 (next day) | San Francisco only |
| 11:00 | 03:00 (next day) | San Francisco only |
| 12:00 | 04:00 (next day) | San Francisco only |
| 13:00 | 05:00 (next day) | San Francisco only |
| 14:00 | 06:00 (next day) | San Francisco only |
| 15:00 | 07:00 (next day) | San Francisco only |
| 16:00 | 08:00 (next day) | San Francisco only |
| 17:00 | 09:00 (next day) | Seoul only |
| 18:00 | 10:00 (next day) | Seoul only |
| 19:00 | 11:00 (next day) | Seoul only |
| 20:00 | 12:00 (next day) | Seoul only |
| 21:00 | 13:00 (next day) | Seoul only |
| 22:00 | 14:00 (next day) | Seoul only |
| 23:00 | 15:00 (next day) | Seoul only |
Questions about San Francisco and Seoul time
What is the time difference between San Francisco and Seoul?
Seoul is 16 hours ahead of San Francisco for most of 2026. From 1 January to 7 March and from 1 November to 31 December 2026, Seoul is 17 hours ahead of San Francisco.
What is the best time for a meeting between San Francisco and Seoul?
For most of 2026, working hours do not overlap, and the least painful 1 hour meeting is 15:00 to 16:00 in San Francisco (great for San Francisco), which is 07:00 to 08:00 the next day in Seoul (early for Seoul). From 1 January to 7 March and from 1 November to 31 December 2026, the best time is 16:00 to 17:00 in San Francisco, which is 09:00 to 10:00 the next day in Seoul, with 1 hour of overlap. These times assume 09:00 to 17:00 working hours in both cities.
Do San Francisco and Seoul change clocks on the same day?
No. Seoul stays on UTC+09:00 all year, while San Francisco changes clocks on Sunday 8 March and Sunday 1 November 2026, so the time difference changes when San Francisco does.
When it is 09:00 in San Francisco, what time is it in Seoul?
It is 01:00 the next day in Seoul for most of 2026 and 02:00 the next day from 1 January to 7 March and from 1 November to 31 December.