Santiago and Athens working-hours overlap
On Monday, 28 September 2026, Santiago is 6 hours behind Athens — UTC-03:00 against UTC+03:00. Their working hours overlap for 2 hours that day, between 12:00–14:00 UTC — 09:00–11:00 in Santiago and 15:00–17:00 in Athens. Santiago changes clocks on Sunday, 4 April 2027, and the gap between them goes from 6 hours to 7 hours. Athens changes clocks on Sunday, 25 October 2026, and the gap between them goes from 6 hours to 5 hours.
Every figure on this page describes Monday, 28 September 2026 — a fixed day, not the day you are reading it. Working hours are 09:00–17:00 local time for both cities; change either, or pick another date, in the overlap calculator.
Shared working hours
Everyone is at work between 12:00–14:00 UTC — 2 hours.
| City | Local time | Offset |
|---|---|---|
| Santiago | 09:00–11:00 | UTC-03:00 |
| Athens | 15:00–17:00 | UTC+03:00 |
Each city's working day
| City | Local hours | In UTC | Offset | Next clock change |
|---|---|---|---|---|
| Santiago | 09:00–17:00 | 12:00–20:00 UTC | UTC-03:00 | UTC-03:00 → UTC-04:00, 4 Apr 2027 |
| Athens | 09:00–17:00 | 06:00–14:00 UTC | UTC+03:00 | UTC+03:00 → UTC+02:00, 25 Oct 2026 |
How the shared window moves through the year
Santiago and Athens change clocks on different dates, so the gap between them moves twice a year. Each row is the same pair of working days, sampled once a month, so the window's size and position follow the clock changes described above.
| Month | Shared window | Length |
|---|---|---|
| 2026-10 | 12:00–14:00 UTC | 2 hours |
| 2026-11 | 12:00–15:00 UTC | 3 hours |
| 2026-12 | 12:00–15:00 UTC | 3 hours |
| 2027-01 | 12:00–15:00 UTC | 3 hours |
| 2027-02 | 12:00–15:00 UTC | 3 hours |
| 2027-03 | 12:00–15:00 UTC | 3 hours |
| 2027-04 | 13:00–14:00 UTC | 1 hour |
| 2027-05 | 13:00–14:00 UTC | 1 hour |
| 2027-06 | 13:00–14:00 UTC | 1 hour |
| 2027-07 | 13:00–14:00 UTC | 1 hour |
| 2027-08 | 13:00–14:00 UTC | 1 hour |
| 2027-09 | 12:00–14:00 UTC | 2 hours |
Questions
- What time can Santiago and Athens meet?
- 12:00–14:00 UTC on Monday, 28 September 2026 — 2 hours. In Santiago that is 09:00–11:00, and in Athens it is 15:00–17:00.
- How far apart are Santiago and Athens?
- On Monday, 28 September 2026, Santiago is 6 hours behind Athens — UTC-03:00 against UTC+03:00. Santiago changes clocks on Sunday, 4 April 2027, and the gap between them goes from 6 hours to 7 hours. Athens changes clocks on Sunday, 25 October 2026, and the gap between them goes from 6 hours to 5 hours.
- Does the overlap between Santiago and Athens change through the year?
- Santiago and Athens change clocks on different dates, so the gap between them moves twice a year. Sampled once a month across the twelve months from Monday, 28 September 2026 the window is 12:00–14:00 UTC, 12:00–15:00 UTC, 13:00–14:00 UTC.
Related city pairs
- Honolulu and Santiago
- Honolulu and Athens
- San Francisco and Santiago
- San Francisco and Athens
- Denver and Santiago
- Denver and Athens
Or read how overlap is calculated and the other questions people ask about scheduling across time zones.