Tokyo and Sydney working-hours overlap
On Monday, 28 September 2026, Tokyo is 1 hour behind Sydney — UTC+09:00 against UTC+10:00. Their working hours overlap for 7 hours that day, between 00:00–07:00 UTC — 09:00–16:00 in Tokyo and 10:00–17:00 in Sydney. Tokyo does not change clocks at all. Sydney changes clocks on Sunday, 4 October 2026, and the gap between them goes from 1 hour to 2 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 00:00–07:00 UTC — 7 hours.
| City | Local time | Offset |
|---|---|---|
| Tokyo | 09:00–16:00 | UTC+09:00 |
| Sydney | 10:00–17:00 | UTC+10:00 |
Each city's working day
| City | Local hours | In UTC | Offset | Next clock change |
|---|---|---|---|---|
| Tokyo | 09:00–17:00 | 00:00–08:00 UTC | UTC+09:00 | 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 Tokyo 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 | 00:00–06:00 UTC | 6 hours |
| 2026-11 | 00:00–06:00 UTC | 6 hours |
| 2026-12 | 00:00–06:00 UTC | 6 hours |
| 2027-01 | 00:00–06:00 UTC | 6 hours |
| 2027-02 | 00:00–06:00 UTC | 6 hours |
| 2027-03 | 00:00–06:00 UTC | 6 hours |
| 2027-04 | 00:00–07:00 UTC | 7 hours |
| 2027-05 | 00:00–07:00 UTC | 7 hours |
| 2027-06 | 00:00–07:00 UTC | 7 hours |
| 2027-07 | 00:00–07:00 UTC | 7 hours |
| 2027-08 | 00:00–07:00 UTC | 7 hours |
| 2027-09 | 00:00–07:00 UTC | 7 hours |
Questions
- What time can Tokyo and Sydney meet?
- 00:00–07:00 UTC on Monday, 28 September 2026 — 7 hours. In Tokyo that is 09:00–16:00, and in Sydney it is 10:00–17:00.
- How far apart are Tokyo and Sydney?
- On Monday, 28 September 2026, Tokyo is 1 hour behind Sydney — UTC+09:00 against UTC+10:00. Tokyo does not change clocks at all. Sydney changes clocks on Sunday, 4 October 2026, and the gap between them goes from 1 hour to 2 hours.
- Does the overlap between Tokyo and Sydney change through the year?
- Sydney changes clocks on Sunday, 4 October 2026, and Tokyo 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 00:00–06:00 UTC, 00:00–07:00 UTC.
Related city pairs
- Honolulu and Tokyo
- Honolulu and Sydney
- San Francisco and Tokyo
- San Francisco and Sydney
- Denver and Tokyo
- Denver and Sydney
Or read how overlap is calculated and the other questions people ask about scheduling across time zones.