Sydney & Osaka Time Difference
🕐 Live Timezone Overlap: Sydney & Osaka
Meetings between Sydney and Osaka hinge on a 8-hour window each working day. Sydney sits 1 hour behind Osaka at the time of writing, which puts the comfortable overlap at 10:00 AM to 6:00 PM Sydney time. Teams that work across these two cities tend to anchor their week-on-week sync into that block and push everything else to written updates. The widget below shows the exact mapping in both directions, including the small DST seasonal shift when one or both cities change clocks.
Time Difference: Sydney and Osaka
Osaka is currently 1 hour behind Sydney. The live offsets are Sydney UTC+10 and Osaka UTC+9. Sydney observes daylight saving and Osaka does not, so the offset shifts twice a year if both sides aren't already aligned.
Sydney observes daylight saving time, and Osaka does not. When either side switches, the offset shifts by an hour. The US and Europe also change clocks on different weekends, so for one week in spring and one in autumn the usual offset between US and European cities is off by an hour. Always confirm with the live tool above when you're scheduling a recurring meeting that spans a DST changeover.
Best Times to Meet
Inside the 8-hour overlap, the best slots depend on local culture. Sydney tends to favour mid-morning meetings; Osaka works 9am–6pm as a default. Aim for the middle of the window where neither side is just starting or wrapping up. Avoid Friday afternoons if the other party has a strong end-of-week culture, and skip lunchtime in whichever city is in the 12–2pm block.
Working Hours Overlap Explained
Sydney operates on Australia/Sydney (currently UTC+10). Osaka operates on Asia/Tokyo (currently UTC+9). The table below maps a standard 9:00 AM–6:00 PM day in Sydney to Osaka's local time.
| Sydney time | Osaka time | Status |
|---|---|---|
| 9:00 AM | 8:00 AM | Osaka just starting |
| 10:00 AM | 9:00 AM | Osaka in business hours |
| 11:00 AM | 10:00 AM | Osaka in business hours |
| 12:00 PM | 11:00 AM | Osaka in business hours |
| 1:00 PM | 12:00 PM | Osaka in business hours |
| 2:00 PM | 1:00 PM | Osaka in business hours |
| 3:00 PM | 2:00 PM | Osaka in business hours |
| 4:00 PM | 3:00 PM | Osaka in business hours |
| 5:00 PM | 4:00 PM | Osaka in business hours |
| 6:00 PM | 5:00 PM | Osaka in business hours |
Tips for Scheduling Across Sydney and Osaka
- Aim for around 2:00 PM Sydney time: the middle of the overlap leaves room for both sides if the call runs long.
- Sydney observes daylight saving but Osaka does not, so your offset shifts twice a year. Lock recurring meetings to local time in the city that doesn't change clocks.
- Check Japan's public holiday calendar in advance: a few national holidays shift entire working weeks.
- Australian DST runs from the first Sunday in October to the first Sunday in April.
- The gap is small enough that most teams keep one shared calendar in Sydney time and convert mentally.
Public Holidays and Working Weeks
Australia runs a Monday–Friday working week with Australia Day (01-26) and ANZAC Day (04-25) among the key closures. Japan's major holidays include a standard public holiday set. Cross-check both calendars when scheduling recurring meetings: a 30-minute call in one city's holiday week typically gets a much lower attendance rate than the same slot a week later.