Adelaide
Australia
--:-- --
GMT+10:30 · UTC+9:30 7 hours 30 minutes difference
Athens
Greece
--:-- --
GMT+2 · UTC+2 Convert Adelaide (GMT+10:30) to Athens (GMT+2) Time — 7 hours 30 minutes apart
Australia/Adelaide · GMT+10:30 · UTC+9:30 | Europe/Athens · GMT+2 · UTC+2 · 7 hours 30 minutes difference · 227 cities · DST applies
24-Hour Overlap Timeline
✅ Overlap: 4:00 PM–6:00 PM in Adelaide · 9:00 AM–11:00 AM in Athens (2h window)
⚠ Adelaide and Athens observe 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 → | ||||||||||||||||||||||||
| 🇦🇺 Adelaide UTC+9:30 | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a |
| 🇬🇷 Athens UTC+2 | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a |
Both working Working Off hours Sleeping Now
Key Facts: Adelaide (GMT+10:30) vs Athens (GMT+2)
Time Gap
7h 30m
Adelaide ahead
May vary ±1h (DST)
DST Status
⏰ Adelaide
Observes DST
⏰ Athens: Observes DST
Cities in GMT+10:30
1
Largest: Adelaide
1,387,290 pop.
Overlap Window
1h window
5:00 PM – 6:00 PM (GMT+10:30)
9:00 AM – 10:00 AM (GMT+2)
Find Cities in Adelaide & Athens Timezones
The GMT+10:30 and GMT+2 timezones are separated by 7 hours 30 minutes. Adelaide is the largest city in the Australia/Adelaide zone and Athens is the largest in Europe/Athens. Adelaide observes daylight saving time — the difference may change by 1 hour seasonally. For scheduling between these regions, the key fact is: there are only 1 hour of mutual business-hours overlap.
Best Times to Schedule Calls: Adelaide (GMT+10:30) ↔ Athens (GMT+2)
| Adelaide (GMT+10:30) | Athens (GMT+2) | Quality |
|---|---|---|
| 12:00 AM | 4:00 PM prev day | ❌ |
| 1:00 AM | 5:00 PM prev day | ❌ |
| 2:00 AM | 6:00 PM prev day | ❌ |
| 3:00 AM | 7:00 PM prev day | ❌ |
| 4:00 AM | 8:00 PM prev day | ❌ |
| 5:00 AM | 9:00 PM prev day | ❌ |
| 6:00 AM | 10:00 PM prev day | ❌ |
| 7:00 AM | 11:00 PM prev day | ❌ |
| 8:00 AM | 12:00 AM | ❌ |
| 9:00 AM | 1:00 AM | ❌ |
| 10:00 AM | 2:00 AM | ❌ |
| 11:00 AM | 3:00 AM | ❌ |
| 12:00 PM | 4:00 AM | ❌ |
| 1:00 PM | 5:00 AM | ❌ |
| 2:00 PM | 6:00 AM | ❌ |
| 3:00 PM | 7:00 AM | ⚠️ |
| 4:00 PM | 8:00 AM | ⚠️ |
| 5:00 PM | 9:00 AM | ✅ |
| 6:00 PM | 10:00 AM | ⚠️ |
| 7:00 PM | 11:00 AM | ⚠️ |
| 8:00 PM | 12:00 PM | ❌ |
| 9:00 PM | 1:00 PM | ❌ |
| 10:00 PM | 2:00 PM | ❌ |
| 11:00 PM | 3:00 PM | ❌ |
Work hours defined as 09:00–18:00 local time. ✅ Both in work hours ⚠️ Borderline ❌ Outside work hours.
GMT+10:30 to GMT+2: Complete 24-Hour Time Conversion Table
| Adelaide (GMT+10:30) | Athens (GMT+2) | IST (UTC+5:30) |
|---|---|---|
| 12:00 AM | 4:30 PM −1 | 8:00 PM |
| 1:00 AM | 5:30 PM −1 | 9:00 PM |
| 2:00 AM | 6:30 PM −1 | 10:00 PM |
| 3:00 AM | 7:30 PM −1 | 11:00 PM |
| 4:00 AM | 8:30 PM −1 | 12:00 AM |
| 5:00 AM | 9:30 PM −1 | 1:00 AM |
| 6:00 AM | 10:30 PM −1 | 2:00 AM |
| 7:00 AM | 11:30 PM −1 | 3:00 AM |
| ← Date changes in Athens → | ||
| 8:00 AM | 12:30 AM | 4:00 AM |
| 9:00 AM | 1:30 AM | 5:00 AM |
| 10:00 AM | 2:30 AM | 6:00 AM |
| 11:00 AM | 3:30 AM | 7:00 AM |
| 12:00 PM | 4:30 AM | 8:00 AM |
| 1:00 PM | 5:30 AM | 9:00 AM |
| 2:00 PM | 6:30 AM | 10:00 AM |
| 3:00 PM | 7:30 AM | 11:00 AM |
| 4:00 PM | 8:30 AM | 12:00 PM |
| 5:00 PM | 9:30 AM | 1:00 PM |
| 6:00 PM | 10:30 AM | 2:00 PM |
| 7:00 PM | 11:30 AM | 3:00 PM |
| 8:00 PM | 12:30 PM | 4:00 PM |
| 9:00 PM | 1:30 PM | 5:00 PM |
| 10:00 PM | 2:30 PM | 6:00 PM |
| 11:00 PM | 3:30 PM | 7:00 PM |
IST (India Standard Time, UTC+5:30) shown as reference for Indian users. +1/−1 indicates a different calendar day.
1 Cities in Adelaide (GMT+10:30) & 226 Cities in Athens (GMT+2) — Page 1 of 2
Adelaide & cities — Adelaide (GMT+10:30, UTC+9:30)
- Adelaide, AU 1.4M
Athens & 225 more — Athens (GMT+2, UTC+2)
- Athens, GR 3.1M
- Kyiv, UA 3.0M
- Bucharest, RO 2.4M
- Kharkiv, UA 1.4M
- Sofia, BG 1.4M
- Helsinki, FI 1.4M
- Odesa, UA 1.0M
- Dnipro, UA 969K
- Donetsk, UA 902K
- Thessaloniki, GR 803K
- Lviv, UA 717K
- Zaporizhzhia, UA 710K
- Tallinn, EE 638K
- Bazal'tove, UA 626K
- Riga, LV 605K
Kryvyi Rih, UAVilnius, LTMykolaiv, UAPiraeus, GRLuhansk, UAVinnytsia, UAVarna, BGPlovdiv, BGMakiivka, UATampere, FINicosia, CYEspoo, FIKaunas, LTCluj-Napoca, ROChernihiv, UAPoltava, UAKherson, UAKhmelnytskyi, UAIasi, ROCherkasy, UAChernivtsi, UAConstanta, ROZhytomyr, UASumy, UATimisoara, ROVantaa, FIRivne, UAHorlivka, UAIvano-Frankivsk, UABrasov, ROLimassol, CYCraiova, ROKamianske, UATernopil, UATyrnavos, GRLutsk, UAKropyvnytskyi, UAGalati, ROKremenchuk, UAOulu, FIIrakleio, GRBurgas, BGBila Tserkva, UATurku, FIOradea, ROPloiesti, ROPatra, GRKlaipeda, LTBraila, ROMelitopol, UAJyvaskyla, FIKramatorsk, UAArad, ROStara Zagora, BGPitesti, RORuse, BGBacau, ROSibiu, ROPeristeri, GRKuopio, FILahti, FIMariupol, UASuceava, ROPleven, BGTargu-Mures, ROUzhhorod, UASliven, BGLarisa, GRBrovary, UABaia Mare, ROAcharnes, GRBerdiansk, UANikopol, UASloviansk, UASiauliai, LTBuzau, ROPavlohrad, UASievierodonetsk, UAKallithea, GRTartu, EEPernik, BGKamianets-Podilskyi, UAHaskovo, BGLysychansk, UARamnicu Valcea, ROKalamaria, GRSatu Mare, ROLarnaca, CYBotosani, ROGlyfada, GRKazanlak, BGNikaia, GRPanevezys, LTDobrich, BGVolos, GRMukacheve, UAPori, FIIlion, GRYambol, BGKonotop, UAResita, ROUman, UAShumen, BGDrobeta-Turnu Severin, ROPiatra Neamt, ROKrasnyi Luch, UAKhrustalnyi, UAEvosmos, GRBistrita, ROKouvola, FIJoensuu, FIDaugavpils, LVBlagoevgrad, BGChalandri, GRIlioupoli, GRYenakiieve, UAOleksandriia, UAKeratsini, GRStakhanov, UAPazardzhik, BGDrohobych, UATargu Jiu, ROBerdychiv, UALappeenranta, FINea Smyrni, GRShostka, UAMarousi, GRAgios Dimitrios, GRBakhmut, UAPaphos, CYIzmail, UAZografos, GRNovomoskovsk, UAVaasa, FIHameenlinna, FIKovel, UAKostiantynivka, UATargoviste, ROVeliko Tarnovo, BGLiepaja, LVFocsani, ROSeinajoki, FIAsenovgrad, BGKavala, GRAigaleo, GRNizhyn, UASmila, UATulcea, RORovaniemi, FIIrpin, UAKalush, UAIoannina, GRPalaio Faliro, GRNea Ionia, GRChervonohrad, UAAlba Iulia, ROBoryspil, UASlatina, ROVaslui, RODovzhansk, UAPervomaisk, UAAgia Paraskevi, GRTrikala, GRKorosten, UAKorydallos, GRKolomyia, UAPetroupoli, GRPallini, GRStryi, UAKaterini, GRVyronas, GRChalkida, GRXanthi, GRSerres, GRCalarasi, ROGalatsi, GRTargovishte, BGRodos, GRKhartsyzk, UAKarditsa, GRVratsa, BGThermi, GRRubizhne, UANovohrad-Volynskyi, UAJelgava, LV
⚠️ Daylight Saving Time Affects This Pair
| Timezone | DST? | Standard | Daylight |
|---|---|---|---|
| Australia/Adelaide | Yes | UTC+9:30 | UTC+10.5 |
| Europe/Athens | Yes | UTC+2 | UTC+3 |
During DST periods the time difference between these zones may be 7 hours 30 minutes instead of 7 hours 30 minutes. Always verify the current offset if scheduling calls near clock-change dates.