🇯🇵VS🇬🇧
🌐Time Difference Calculator
ŌkavsLondon
🇯🇵Ōka
11:07:11
PM
Friday, May 1, 2026
+8h
Ōka ahead
🇬🇧London
03:07:11
PM
Friday, May 1, 2026
Time ConverterŌka ↔ London
Click any row to convert — browse 2000–2050 with the arrows
| 📍Your Local Time detecting… | 🇯🇵 Ōka UTC+09:00 | 🇬🇧 London UTC+01:00 |
|---|
24-Hour OverviewŌka vs London
12a 4a 8a 12p 4p 8p 12a
🇯🇵ŌkaBase
11:07 PM
🇬🇧London +-8h
03:07 PM
Work hours (9–5) Current time
Best Meeting HoursŌka & London
12am
4pm
1am
5pm
2am
6pm
3am
7pm
4am
8pm
5am
9pm
6am
10pm
7am
11pm
8am
12am
9am
1am
★
10am
2am
11am
3am
12pm
4am
1pm
5am
2pm
6am
3pm
7am
4pm
8am
5pm
9am
6pm
10am
7pm
11am
8pm
12pm
9pm
1pm
10pm
2pm
★
11pm
3pm
⚠
No standard business hours overlap
The +8h difference makes scheduling difficult. Consider the ★ suggested windows below.
🌅 Early Window
9:00 AMŌka=1:00 AMLondon
🌙 Late Window
10:00 PMŌka=2:00 PMLondon
★ Suggested window Ōka workingLondon working
May 2026 — Time DifferenceŌka vs London
+8hConstant this month
No DST transitions in May 2026•Applies to all 31 days
Quick Reference — Ōka → London
| 🇯🇵 Ōka (UTC+09:00) | 🇬🇧 London (UTC+01:00) |
|---|---|
| 12:00 AM | 4:00 PM (prev day) |
| 6:00 AM | 10:00 PM (prev day) |
| 8:00 AM | 12:00 AM |
| 9:00 AM | 1:00 AM |
| 10:00 AM | 2:00 AM |
| 12:00 PM | 4:00 AM |
| 2:00 PM | 6:00 AM |
| 5:00 PM | 9:00 AM |
| 6:00 PM | 10:00 AM |
| 8:00 PM | 12:00 PM |
| 10:00 PM | 2:00 PM |
🇯🇵
Ōka business hours
= 1:00 AM – 9:00 AM in London
🇬🇧
London business hours
= 5:00 PM – 1:00 AM (next day) in Ōka
⇄
Midpoint meeting
1:00 PM in Ōka = 5:00 AM in London
More Tools
Related pages for Ōka and London
Location DetailsŌka vs London
👥 Population
14,021 approx.
vs
8,961,989 approx.
💵 Currency
Japanese Y
vs
British Po
🗣️ Language
Japanese
vs
English, Welsh, Scottish Gaelic
📞 Calling Code
+81
vs
+44
📅 Weekend
Saturday,Sunday
=
Saturday,Sunday
🕐 Time Format
24H
vs
12H
When to CallEnter a time in Ōka — see what it is in London
:
→
9:00 AM
Both cities in business hours — good time to call!
Quick pick:
Upcoming DST ChangesAffects the time difference between these cities
☀️
London
Sunday, October 25, 2026
Clocks go back (clocks fall back)
177days away
⚠ After a DST change, the time difference between Ōka and London may shift by 1 hour.
Frequently Asked QuestionsŌka & London — Time Difference
Ōka is 8h ahead of London. Ōka uses Asia/Tokyo (UTCUTC+09:00), London uses Europe/London (UTCUTC+01:00).
When it is 12:00 PM in Ōka, it is 4:00 AM in London.
Not ideal right now. It is 11:07 PM in Ōka and 3:07 PM in London. Ōka is outside business hours.
Neither Ōka nor London is currently observing Daylight Saving Time.
It is Friday in both Ōka and London right now.
When it is 9:00 AM in Ōka, it is 1:00 AM in London.
Compare with Other Cities
See how Ōka and London differ from major world cities