Karachi and Sydney working-hours overlap
On Monday, 28 September 2026, Karachi is 5 hours behind Sydney — UTC+05:00 against UTC+10:00. Their working hours overlap for 3 hours that day, between 04:00–07:00 UTC — 09:00–12:00 in Karachi and 14:00–17:00 in Sydney. Karachi does not change clocks at all. Sydney changes clocks on Sunday, 4 October 2026, and the gap between them goes from 5 hours to 6 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 04:00–07:00 UTC — 3 hours.
| City | Local time | Offset |
|---|---|---|
| Karachi | 09:00–12:00 | UTC+05:00 |
| Sydney | 14:00–17:00 | UTC+10:00 |
Each city's working day
| City | Local hours | In UTC | Offset | Next clock change |
|---|---|---|---|---|
| Karachi | 09:00–17:00 | 04:00–12:00 UTC | UTC+05:00 | No daylight saving |
| Sydney | 09:00–17:00 | 23:00–07:00 UTC | UTC+10:00 | UTC+10:00 → UTC+11:00, 4 Oct 2026 |
How the shared window moves through the year
Sydney changes clocks on Sunday, 4 October 2026, and Karachi never does, so the gap between them moves only when Sydney's clocks do. 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 | 04:00–06:00 UTC | 2 hours |
| 2026-11 | 04:00–06:00 UTC | 2 hours |
| 2026-12 | 04:00–06:00 UTC | 2 hours |
| 2027-01 | 04:00–06:00 UTC | 2 hours |
| 2027-02 | 04:00–06:00 UTC | 2 hours |
| 2027-03 | 04:00–06:00 UTC | 2 hours |
| 2027-04 | 04:00–07:00 UTC | 3 hours |
| 2027-05 | 04:00–07:00 UTC | 3 hours |
| 2027-06 | 04:00–07:00 UTC | 3 hours |
| 2027-07 | 04:00–07:00 UTC | 3 hours |
| 2027-08 | 04:00–07:00 UTC | 3 hours |
| 2027-09 | 04:00–07:00 UTC | 3 hours |
Questions
- What time can Karachi and Sydney meet?
- 04:00–07:00 UTC on Monday, 28 September 2026 — 3 hours. In Karachi that is 09:00–12:00, and in Sydney it is 14:00–17:00.
- How far apart are Karachi and Sydney?
- On Monday, 28 September 2026, Karachi is 5 hours behind Sydney — UTC+05:00 against UTC+10:00. Karachi does not change clocks at all. Sydney changes clocks on Sunday, 4 October 2026, and the gap between them goes from 5 hours to 6 hours.
- Does the overlap between Karachi and Sydney change through the year?
- Sydney changes clocks on Sunday, 4 October 2026, and Karachi never does, so the gap between them moves only when Sydney's clocks do. Sampled once a month across the twelve months from Monday, 28 September 2026 the window is 04:00–06:00 UTC, 04:00–07:00 UTC.
Related city pairs
- Honolulu and Karachi
- Honolulu and Sydney
- San Francisco and Karachi
- San Francisco and Sydney
- Denver and Karachi
- Denver and Sydney
Or read how overlap is calculated and the other questions people ask about scheduling across time zones.