Santiago and Sydney working-hours overlap
On Monday, 28 September 2026, Santiago is 13 hours behind Sydney — UTC-03:00 against UTC+10:00. They share no working hours that day at all: Santiago works 12:00–20:00 UTC and Sydney works 23:00–07:00 UTC, and those two windows do not meet. Santiago changes clocks on Sunday, 4 April 2027, which does not change the gap between them. Sydney changes clocks on Sunday, 4 October 2026, and the gap between them goes from 13 hours to 14 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
No shared working hours on this date.
On this date the two working days do not meet, and none of the twelve months sampled for the year brings them together. Widening one side’s hours is what would change it; no other date will find a window that is not there.
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 |
| Sydney | 09:00–17:00 | 23:00–07:00 UTC | UTC+10:00 | UTC+10:00 → UTC+11:00, 4 Oct 2026 |
Is there any overlap through the year?
Santiago and Sydney change clocks on different dates, so the gap between them moves twice a year. In the twelve months sampled the two working days never meet, so there is no window to move.
| Month | Shared window | Length |
|---|---|---|
| 2026-10 | No shared hours | — |
| 2026-11 | No shared hours | — |
| 2026-12 | No shared hours | — |
| 2027-01 | No shared hours | — |
| 2027-02 | No shared hours | — |
| 2027-03 | No shared hours | — |
| 2027-04 | No shared hours | — |
| 2027-05 | No shared hours | — |
| 2027-06 | No shared hours | — |
| 2027-07 | No shared hours | — |
| 2027-08 | No shared hours | — |
| 2027-09 | No shared hours | — |
Questions
- Is there any time Santiago and Sydney are both at work?
- Not on Monday, 28 September 2026. Santiago works 12:00–20:00 UTC and Sydney works 23:00–07:00 UTC, and those windows do not overlap. Widening one side's hours or choosing another date is what changes that.
- How far apart are Santiago and Sydney?
- On Monday, 28 September 2026, Santiago is 13 hours behind Sydney — UTC-03:00 against UTC+10:00. Santiago changes clocks on Sunday, 4 April 2027, which does not change the gap between them. Sydney changes clocks on Sunday, 4 October 2026, and the gap between them goes from 13 hours to 14 hours.
- Does the overlap between Santiago and Sydney change through the year?
- There is no month in the twelve months from Monday, 28 September 2026 when Santiago and Sydney are both inside their working hours. Santiago changes clocks on Sunday, 4 April 2027, which does not change the gap between them. Sydney changes clocks on Sunday, 4 October 2026, and the gap between them goes from 13 hours to 14 hours.
Related city pairs
- Honolulu and Santiago
- Honolulu and Sydney
- San Francisco and Santiago
- San Francisco and Sydney
- Denver and Santiago
- Denver and Sydney
Or read how overlap is calculated and the other questions people ask about scheduling across time zones.