Offset
The time difference between Hangzhou and Osaka is 1 hour.
Hangzhou (CST) is behind Osaka (JST).
CST: UTC+8
JST: UTC+9
Neither Hangzhou nor Osaka is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–4 PM in Hangzhou (10 AM–5 PM in Osaka).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Hangzhou (1:00 PM Osaka).
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
China
- New Year's DayThu, Jan 1
- Chinese New Year (Spring Festival)Tue, Feb 17
- Labour DayFri, May 1
- Dragon Boat FestivalFri, Jun 19
- Mid-Autumn FestivalFri, Sep 25
- National DayThu, Oct 1
Japan
- New Year's DayThu, Jan 1
- Coming of Age DayMon, Jan 12
- Foundation DayWed, Feb 11
- The Emperor's BirthdayMon, Feb 23
- Vernal Equinox DayFri, Mar 20
- Shōwa DayWed, Apr 29
- Constitution Memorial DayWed, May 6
- Greenery DayMon, May 4
- Children's DayTue, May 5
- Marine DayMon, Jul 20
- Mountain DayTue, Aug 11
- Respect for the Aged DayMon, Sep 21
- Autumnal Equinox DayWed, Sep 23
- Sports DayMon, Oct 12
- Culture DayTue, Nov 3
- Labour Thanksgiving DayMon, Nov 23
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Hangzhou | Osaka | Day |
|---|---|---|
| 12:00 am | 1:00 am | Same day |
| 1:00 am | 2:00 am | Same day |
| 2:00 am | 3:00 am | Same day |
| 3:00 am | 4:00 am | Same day |
| 4:00 am | 5:00 am | Same day |
| 5:00 am | 6:00 am | Same day |
| 6:00 am | 7:00 am | Same day |
| 7:00 am | 8:00 am | Same day |
| 8:00 am | 9:00 am | Same day |
| 9:00 am | 10:00 am | Same day |
| 10:00 am | 11:00 am | Same day |
| 11:00 am | 12:00 pm | Same day |
| 12:00 pm | 1:00 pm | Same day |
| 1:00 pm | 2:00 pm | Same day |
| 2:00 pm | 3:00 pm | Same day |
| 3:00 pm | 4:00 pm | Same day |
| 4:00 pm | 5:00 pm | Same day |
| 5:00 pm | 6:00 pm | Same day |
| 6:00 pm | 7:00 pm | Same day |
| 7:00 pm | 8:00 pm | Same day |
| 8:00 pm | 9:00 pm | Same day |
| 9:00 pm | 10:00 pm | Same day |
| 10:00 pm | 11:00 pm | Same day |
| 11:00 pm | 12:00 am | +1 day |
Daylight saving time
Neither Hangzhou nor Osaka observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 4:58 AM
- Sunset
- 7:00 PM
- Day length
- 14h 2m
- Sunrise
- 4:46 AM
- Sunset
- 7:10 PM
- Day length
- 14h 25m
Daylight overlap: 13h 12m — 4:58 AM–6:10 PM in Hangzhou (5:58 AM–7:10 PM in Osaka). Both locations are in daylight during this window.
Cities in these zones
Other cities in China Standard Time
Other cities in Japan Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in China Standard Time
- PVG
- SHA
- PEK
- PKX
- SZX
- CAN
- FUO
- CTU
- TFU
- TSN
Airports in Japan Standard Time
- HND
- NRT
- ITM
- KIX
- UKB
- NGO
- NKM
- CTS
- OKD
- FUK
Related conversions
Common conversions
- What is 9:00 am Hangzhou in Osaka?
- 9:00 am Hangzhou is 10:00 am Osaka.
- What is 12:00 pm Hangzhou in Osaka?
- 12:00 pm Hangzhou is 1:00 pm Osaka.
- What is 12:30 pm Hangzhou in Osaka?
- 12:30 pm Hangzhou is 1:30 pm Osaka.
- What is 2:00 pm Hangzhou in Osaka?
- 2:00 pm Hangzhou is 3:00 pm Osaka.
- What is 5:00 pm Hangzhou in Osaka?
- 5:00 pm Hangzhou is 6:00 pm Osaka.
- What is 11:30 pm Hangzhou in Osaka?
- 11:30 pm Hangzhou is 12:30 am Osaka, the next day.