Offset
The time difference between Copenhagen and Osaka is 7 hours.
Copenhagen (CEST) is behind Osaka (JST).
CEST: UTC+2
JST: UTC+9
Copenhagen is currently observing daylight saving time; Osaka is not.
When to schedule
Business-hours overlap: 9 AM–10 AM in Copenhagen (4 PM–5 PM in Osaka).
Both teams are in working hours during this window on weekdays.
Suggested time: 9:00 AM Copenhagen (4:00 PM Osaka).
This window may shift by an hour during daylight saving time.
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.
Denmark
- New Year's DayThu, Jan 1
- Maundy ThursdayThu, Apr 2
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- Easter MondayMon, Apr 6
- Ascension DayThu, May 14
- Bank closing dayFri, May 15
- PentecostSun, May 24
- Whit MondayMon, May 25
- Constitution DayFri, Jun 5
- Christmas EveThu, Dec 24
- Christmas DayFri, Dec 25
- St. Stephen's DaySat, Dec 26
- New Year's EveThu, Dec 31
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
Copenhagen uses Central European Time (CET, or CEST). To call Denmark, dial +45.
Osaka uses Japan Standard Time (JST). To call Japan, dial +81.
Osaka is approximately 5,350 miles northeast of Copenhagen.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Copenhagen | Osaka | Day |
|---|---|---|
| 12:00 am | 7:00 am | Same day |
| 1:00 am | 8:00 am | Same day |
| 2:00 am | 9:00 am | Same day |
| 3:00 am | 10:00 am | Same day |
| 4:00 am | 11:00 am | Same day |
| 5:00 am | 12:00 pm | Same day |
| 6:00 am | 1:00 pm | Same day |
| 7:00 am | 2:00 pm | Same day |
| 8:00 am | 3:00 pm | Same day |
| 9:00 am | 4:00 pm | Same day |
| 10:00 am | 5:00 pm | Same day |
| 11:00 am | 6:00 pm | Same day |
| 12:00 pm | 7:00 pm | Same day |
| 1:00 pm | 8:00 pm | Same day |
| 2:00 pm | 9:00 pm | Same day |
| 3:00 pm | 10:00 pm | Same day |
| 4:00 pm | 11:00 pm | Same day |
| 5:00 pm | 12:00 am | +1 day |
| 6:00 pm | 1:00 am | +1 day |
| 7:00 pm | 2:00 am | +1 day |
| 8:00 pm | 3:00 am | +1 day |
| 9:00 pm | 4:00 am | +1 day |
| 10:00 pm | 5:00 am | +1 day |
| 11:00 pm | 6:00 am | +1 day |
Daylight saving time
Copenhagen observes daylight saving time; Osaka does not. The offset between the two zones changes when Copenhagen transitions: on Sunday, October 25, 2026, clocks fall back from CEST to CET.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 4:29 AM
- Sunset
- 9:50 PM
- Day length
- 17h 21m
- Sunrise
- 4:46 AM
- Sunset
- 7:10 PM
- Day length
- 14h 25m
Daylight overlap: 7h 41m — 4:29 AM–12:10 PM in Copenhagen (11:29 AM–7:10 PM in Osaka). Both locations are in daylight during this window.
Cities in these zones
Other cities in Japan Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Central European Time
- CPH
- RKE
Airports in Japan Standard Time
- HND
- NRT
- ITM
- KIX
- UKB
- NGO
- NKM
- CTS
- OKD
- FUK
Related conversions
Common conversions
- What is 9:00 am Copenhagen in Osaka?
- 9:00 am Copenhagen is 4:00 pm Osaka.
- What is 12:00 pm Copenhagen in Osaka?
- 12:00 pm Copenhagen is 7:00 pm Osaka.
- What is 12:30 pm Copenhagen in Osaka?
- 12:30 pm Copenhagen is 7:30 pm Osaka.
- What is 2:00 pm Copenhagen in Osaka?
- 2:00 pm Copenhagen is 9:00 pm Osaka.
- What is 5:00 pm Copenhagen in Osaka?
- 5:00 pm Copenhagen is 12:00 am Osaka, the next day.
- What is 11:30 pm Copenhagen in Osaka?
- 11:30 pm Copenhagen is 6:30 am Osaka, the next day.