Tokyo
Japan
--:-- --
GMT+9 · UTC+9 9 hours difference
London
United Kingdom
--:-- --
GMT · UTC+0 Convert Tokyo (GMT+9) to London (GMT) Time — 9 hours apart
Asia/Tokyo · GMT+9 · UTC+9 | Europe/London · GMT · UTC+0 · 9 hours difference · 836 cities · DST applies
24-Hour Overlap Timeline
❌ No business-hours overlap between Tokyo and London (9–18 local)
⚠ London observes daylight saving time — offset may vary by up to 1 hour seasonally
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UTC → | ||||||||||||||||||||||||
| 🇯🇵 Tokyo UTC+9 | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a |
| 🇬🇧 London UTC+0 | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p |
Both working Working Off hours Sleeping Now
Key Facts: Tokyo (GMT+9) vs London (GMT)
Time Gap
9h
Tokyo ahead
May vary ±1h (DST)
DST Status
✅ Tokyo
No DST
⏰ London: Observes DST
Cities in GMT+9
600
Largest: Tokyo
37,785,000 pop.
Overlap Window
None
No work-hour overlap
Consider early/late meetings
Find Cities in Tokyo & London Timezones
The GMT+9 and GMT timezones are separated by 9 hours. Tokyo is the largest city in the Asia/Tokyo zone and London is the largest in Europe/London. London observes daylight saving time — the difference may change by 1 hour seasonally. For scheduling between these regions, the key fact is: there is no comfortable overlap during standard business hours.
Best Times to Schedule Calls: Tokyo (GMT+9) ↔ London (GMT)
| Tokyo (GMT+9) | London (GMT) | Quality |
|---|---|---|
| 12:00 AM | 3:00 PM prev day | ❌ |
| 1:00 AM | 4:00 PM prev day | ❌ |
| 2:00 AM | 5:00 PM prev day | ❌ |
| 3:00 AM | 6:00 PM prev day | ❌ |
| 4:00 AM | 7:00 PM prev day | ❌ |
| 5:00 AM | 8:00 PM prev day | ❌ |
| 6:00 AM | 9:00 PM prev day | ❌ |
| 7:00 AM | 10:00 PM prev day | ❌ |
| 8:00 AM | 11:00 PM prev day | ❌ |
| 9:00 AM | 12:00 AM | ❌ |
| 10:00 AM | 1:00 AM | ❌ |
| 11:00 AM | 2:00 AM | ❌ |
| 12:00 PM | 3:00 AM | ❌ |
| 1:00 PM | 4:00 AM | ❌ |
| 2:00 PM | 5:00 AM | ❌ |
| 3:00 PM | 6:00 AM | ❌ |
| 4:00 PM | 7:00 AM | ⚠️ |
| 5:00 PM | 8:00 AM | ⚠️ |
| 6:00 PM | 9:00 AM | ⚠️ |
| 7:00 PM | 10:00 AM | ⚠️ |
| 8:00 PM | 11:00 AM | ❌ |
| 9:00 PM | 12:00 PM | ❌ |
| 10:00 PM | 1:00 PM | ❌ |
| 11:00 PM | 2:00 PM | ❌ |
Work hours defined as 09:00–18:00 local time. ✅ Both in work hours ⚠️ Borderline ❌ Outside work hours.
GMT+9 to GMT: Complete 24-Hour Time Conversion Table
| Tokyo (GMT+9) | London (GMT) | IST (UTC+5:30) |
|---|---|---|
| 12:00 AM | 3:00 PM −1 | 8:30 PM |
| 1:00 AM | 4:00 PM −1 | 9:30 PM |
| 2:00 AM | 5:00 PM −1 | 10:30 PM |
| 3:00 AM | 6:00 PM −1 | 11:30 PM |
| 4:00 AM | 7:00 PM −1 | 12:30 AM |
| 5:00 AM | 8:00 PM −1 | 1:30 AM |
| 6:00 AM | 9:00 PM −1 | 2:30 AM |
| 7:00 AM | 10:00 PM −1 | 3:30 AM |
| 8:00 AM | 11:00 PM −1 | 4:30 AM |
| ← Date changes in London → | ||
| 9:00 AM | 12:00 AM | 5:30 AM |
| 10:00 AM | 1:00 AM | 6:30 AM |
| 11:00 AM | 2:00 AM | 7:30 AM |
| 12:00 PM | 3:00 AM | 8:30 AM |
| 1:00 PM | 4:00 AM | 9:30 AM |
| 2:00 PM | 5:00 AM | 10:30 AM |
| 3:00 PM | 6:00 AM | 11:30 AM |
| 4:00 PM | 7:00 AM | 12:30 PM |
| 5:00 PM | 8:00 AM | 1:30 PM |
| 6:00 PM | 9:00 AM | 2:30 PM |
| 7:00 PM | 10:00 AM | 3:30 PM |
| 8:00 PM | 11:00 AM | 4:30 PM |
| 9:00 PM | 12:00 PM | 5:30 PM |
| 10:00 PM | 1:00 PM | 6:30 PM |
| 11:00 PM | 2:00 PM | 7:30 PM |
IST (India Standard Time, UTC+5:30) shown as reference for Indian users. +1/−1 indicates a different calendar day.
600 Cities in Tokyo (GMT+9) & 236 Cities in London (GMT) — Page 1 of 3
Tokyo & 599 more — Tokyo (GMT+9, UTC+9)
- Tokyo, JP 37.8M
- Seoul, KR 23.0M
- Osaka, JP 15.1M
- Nagoya, JP 9.2M
- Yokohama, JP 3.8M
- Busan, KR 3.5M
- Incheon, KR 2.9M
- Pyongyang, KP 2.9M
- Daegu, KR 2.4M
- Fukuoka, JP 2.3M
- Sapporo, JP 2.0M
- Kawasaki, JP 1.5M
- Kobe, JP 1.5M
- Gwangju, KR 1.5M
- Daejeon, KR 1.5M
Kyoto, JPSaitama, JPSuwon, KRHiroshima, JPUlsan, KRTongjin, KRGoyang, KRSendai, JPChangwon, KRChiba, JPHwasu-dong, KRSetagaya, JPKitakyushu, JPSongnam, KRCheongju, KRSakai, JPNiigata, JPHamamatsu, JPBucheon, KRHamhung, KPNerima, JPOta-ku, JPKumamoto, JPYanggok, KRSagamihara, JPOkayama, JPNampo, KPEdogawa, JPShizuoka, JPAdachi, JPCh'ongjin, KPCh'onan, KRHoncho, JPAnsan, KRKawaguchi, JPKagoshima, JPItabashi, JPSuginami-ku, JPHachioji, JPKimhae, KRHimeji, JPKoto-ku, JPUtsunomiya, JPMatsuyama, JPPohang, KRMatsudo, JPIchikawa, JPHigashi-osaka, JPNishinomiya-hama, JPKawachicho, JPKurashiki, JPOita, JPKanazawa, JPFukuyama, JPPyeongtaek, KRAmagasaki, JPKatsushika-ku, JPFujisawa, JPSunch'on, KPJeju, KRMachida, JPKashiwa, JPAomori, JPSihung, KRToyota, JPUijeongbu, KRTakamatsu, JPShinagawa-ku, JPPaju, KRJayapura, IDToyama, JPKumi, KRNagasaki, JPGifu, JPToyonaka, JPMiyazaki, JPHirakata, JPOkazaki, JPMinamisuita, JPIchinomiya, JPTakasaki, JPAmbon, IDToyohashi, JPNagano, JPWonsan, KPKawagoe, JPWakayama, JPKita-ku, JPGimpo, KRNara, JPSinuiju, KPShinjuku, JPTakatsuki, JPTanch'on, KPNakano, JPOtsu, JPKoshigaya, JPJeonju, KRTokorozawa, JPChinju, KRIwaki, JPChita, RUAsan, KRMaebashi, JPAsahikawa, JPWonju, KRKoriyama, JPKochi, JPKaech'on, KPGwangmyeongni, KRNaha, JPYakutsk, RUYokkaichi, JPSariwon, KPKasugai, JPAkita, JPKurume, JPOakashicho, JPToshima, JPYangsan, KRSorong, IDMorioka, JPMeguro, JPFukushima, JPIbaraki, JPChuncheon, KRGyeongsan, KRKunsan, KRYeosu, KRTsu, JPSumida, JPIksan, KRMito, JPKunp'o, KRIchihara, JPNagaoka, JPSuncheon, KRYao, JPFukui, JPFuchu, JPMinato, JPHiratsuka, JPKakogawacho-honmachi, JPTokushima, JPShinozaki, JPKanggye, KPHakodate, JPSoka, JPKyongju, KRYamagata, JPTsukuba-kenkyugakuen-toshi, JPFuji, JPSasebo, JPChigasaki, JPHaeju, KPAnju, KPBunkyo-ku, JPYato, JPMatsumoto, JPChofugaoka, JPP'yongsong-si, KPShibuya-ku, JPAnyang, KRSaga, JPYoshiicho-shimobaru, JPKasukabe, JPNeya, JPAgeoshimo, JPOta, JPAtsugicho, JPHachinohe, JPDili, TLTakarazuka, JPArakawa, JPMokpo, KROsan, KRIsesaki, JPKure, JPNagareyama, JPTaito, JPGangneung, KRIch'on, KRChungju, KRNishitokyo, JPTernate, ID
London & 235 more — London (GMT, UTC+0)
- London, GB 11.3M
- Birmingham, GB 2.6M
- Portsmouth, GB 856K
- Southampton, GB 856K
- Bristol, GB 707K
- Glasgow, GB 626K
- Manchester, GB 548K
- Leeds, GB 536K
- Sheffield, GB 518K
- Liverpool, GB 513K
- Edinburgh, GB 488K
- Worthing, GB 474K
- Leicester, GB 464K
- Coventry, GB 363K
- Caerdydd, GB 361K
Belfast, GBReading, GBKingston upon Hull, GBNewcastle, GBStockport, GBBradford, GBNottingham, GBBolton, GBSunderland, GBPlymouth, GBMilton Keynes, GBDerby, GBWestminster, GBWolverhampton, GBAbertawe, GBBarnsley, GBStoke-on-Trent, GBSwindon, GBNorwich, GBLuton, GBSolihull, GBIslington, GBAberdeen, GBPeterborough, GBCroydon, GBBournemouth, GBBasildon, GBSaint Helens, GBIlford, GBWarrington, GBHuddersfield, GBSouthend, GBNewport, GBEnfield, GBIpswich, GBHarrow, GBDundee, GBWest Bromwich, GBGloucester, GBPoole, GBTelford, GBPreston, GBYork, GBMiddlesbrough, GBBlackpool, GBNorthampton, GBBrighton, GBSale, GBLincoln, GBTottenham, GBExeter, GBCambridge, GBRomford, GBColchester, GBHigh Wycombe, GBGateshead, GBSlough, GBBlackburn, GBCheltenham, GBChelmsford, GBRochdale, GBWythenshawe, GBBirkenhead, GBDoncaster, GBRotherham, GBMaidstone, GBWalthamstow, GBOxford, GBBasingstoke, GBCrawley, GBDagenham, GBGillingham, GBHalifax, GBSalford, GBWigan, GBHounslow, GBWembley, GBWorcester, GBEastbourne, GBWakefield, GBOldham, GBSutton Coldfield, GBHammersmith, GBHemel Hempstead, GBBath, GBHayes, GBDarlington, GBWimbledon, GBBedford, GBHove, GBSouthport, GBHastings, GBOrpington, GBWatford, GBStevenage, GBGrimsby, GBHartlepool, GBBromley, GBChester, GBFulham, GBNuneaton, GBDerry, GBEaling, GBWoolwich, GBAylesbury, GBAshford, GBStockton-on-Tees, GBSaint Albans, GBHarlow, GBBurnley, GBRedditch, GBEdmonton, GBBatley, GBScunthorpe, GBDudley, GBBury, GBEastleigh, GBBrixton, GBSouthall, GBPaisley, GBGuildford, GBChatham, GBEast Ham, GBWeston-super-Mare, GBCarlisle, GBSouth Shields, GBEast Kilbride, GBNewcastle under Lyme, GBBurton upon Trent, GBGravesend, GBTamworth, GBHarrogate, GBShrewsbury, GBGosport, GBLisburn, GBRugby, GBStafford, GBChingford, GBUxbridge, GBMansfield, GBRhondda, GBTynemouth, GBCannock, GBWalsall, GBWashington, GBGrays, GBWalton upon Thames, GBFinchley, GBThornton Heath, GBFarnborough, GBLoughborough, GBKensington, GBBoston, GBPaignton, GBWaterlooville, GBGuiseley, GBHornchurch, GBMaidenhead, GBMitcham, GBFeltham, GBStourbridge, GBRochester, GBDewsbury, GBWoking, GBActon, GBTwickenham, GBRuncorn, GBWrecsam, GBWidnes, GBMargate, GBEllesmere Port, GBBangor, GBTaunton, GBWallasey, GBHalesowen, GBBracknell, GBBarking, GBSutton, GBMerthyr Tudful, GBEdgware, GBRuislip, GBStreatham, GBRoyal Tunbridge Wells, GBBebington, GBAldershot, GB
⚠️ Daylight Saving Time Affects This Pair
| Timezone | DST? | Standard | Daylight |
|---|---|---|---|
| Asia/Tokyo | No | UTC+9 | — |
| Europe/London | Yes | UTC+0 | UTC+1 |
During DST periods the time difference between these zones may be 8 hours instead of 9 hours. Always verify the current offset if scheduling calls near clock-change dates.