Santiago
Chile
--:-- --
GMT-3 · UTC-4 7 hours 30 minutes difference
Tehran
Iran
--:-- --
GMT+3:30 · UTC+3:30 Convert Santiago (GMT-3) to Tehran (GMT+3:30) Time — 7 hours 30 minutes apart
America/Santiago · GMT-3 · UTC-4 | Asia/Tehran · GMT+3:30 · UTC+3:30 · 7 hours 30 minutes difference · 226 cities · DST applies
24-Hour Overlap Timeline
✅ Overlap: 9:00 AM–11:00 AM in Santiago · 4:00 PM–6:00 PM in Tehran (2h window)
⚠ Santiago 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 → | ||||||||||||||||||||||||
| 🇨🇱 Santiago UTC-4 | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p |
| 🇮🇷 Tehran UTC+3:30 | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a |
Both working Working Off hours Sleeping Now
Key Facts: Santiago (GMT-3) vs Tehran (GMT+3:30)
Time Gap
7h 30m
Tehran ahead
May vary ±1h (DST)
DST Status
⏰ Santiago
Observes DST
✅ Tehran: No DST
Cities in GMT-3
63
Largest: Santiago
7,171,000 pop.
Overlap Window
2h window
9:00 AM – 11:00 AM (GMT-3)
4:00 PM – 6:00 PM (GMT+3:30)
Find Cities in Santiago & Tehran Timezones
The GMT-3 and GMT+3:30 timezones are separated by 7 hours 30 minutes. Santiago is the largest city in the America/Santiago zone and Tehran is the largest in Asia/Tehran. Santiago observes daylight saving time — the difference may change by 1 hour seasonally. For scheduling between these regions, the key fact is: there are only 2 hours of mutual business-hours overlap.
Best Times to Schedule Calls: Santiago (GMT-3) ↔ Tehran (GMT+3:30)
| Santiago (GMT-3) | Tehran (GMT+3:30) | Quality |
|---|---|---|
| 12:00 AM | 7:00 AM | ❌ |
| 1:00 AM | 8:00 AM | ❌ |
| 2:00 AM | 9:00 AM | ❌ |
| 3:00 AM | 10:00 AM | ❌ |
| 4:00 AM | 11:00 AM | ❌ |
| 5:00 AM | 12:00 PM | ❌ |
| 6:00 AM | 1:00 PM | ❌ |
| 7:00 AM | 2:00 PM | ⚠️ |
| 8:00 AM | 3:00 PM | ⚠️ |
| 9:00 AM | 4:00 PM | ✅ |
| 10:00 AM | 5:00 PM | ✅ |
| 11:00 AM | 6:00 PM | ⚠️ |
| 12:00 PM | 7:00 PM | ⚠️ |
| 1:00 PM | 8:00 PM | ❌ |
| 2:00 PM | 9:00 PM | ❌ |
| 3:00 PM | 10:00 PM | ❌ |
| 4:00 PM | 11:00 PM | ❌ |
| 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 | ❌ |
| 11:00 PM | 6:00 AM +1 day | ❌ |
Work hours defined as 09:00–18:00 local time. ✅ Both in work hours ⚠️ Borderline ❌ Outside work hours.
GMT-3 to GMT+3:30: Complete 24-Hour Time Conversion Table
| Santiago (GMT-3) | Tehran (GMT+3:30) | IST (UTC+5:30) |
|---|---|---|
| 12:00 AM | 7:30 AM | 9:30 AM |
| 1:00 AM | 8:30 AM | 10:30 AM |
| 2:00 AM | 9:30 AM | 11:30 AM |
| 3:00 AM | 10:30 AM | 12:30 PM |
| 4:00 AM | 11:30 AM | 1:30 PM |
| 5:00 AM | 12:30 PM | 2:30 PM |
| 6:00 AM | 1:30 PM | 3:30 PM |
| 7:00 AM | 2:30 PM | 4:30 PM |
| 8:00 AM | 3:30 PM | 5:30 PM |
| 9:00 AM | 4:30 PM | 6:30 PM |
| 10:00 AM | 5:30 PM | 7:30 PM |
| 11:00 AM | 6:30 PM | 8:30 PM |
| 12:00 PM | 7:30 PM | 9:30 PM |
| 1:00 PM | 8:30 PM | 10:30 PM |
| 2:00 PM | 9:30 PM | 11:30 PM |
| 3:00 PM | 10:30 PM | 12:30 AM |
| 4:00 PM | 11:30 PM | 1:30 AM |
| ← Date changes in Tehran → | ||
| 5:00 PM | 12:30 AM +1 | 2:30 AM |
| 6:00 PM | 1:30 AM +1 | 3:30 AM |
| 7:00 PM | 2:30 AM +1 | 4:30 AM |
| 8:00 PM | 3:30 AM +1 | 5:30 AM |
| 9:00 PM | 4:30 AM +1 | 6:30 AM |
| 10:00 PM | 5:30 AM +1 | 7:30 AM |
| 11:00 PM | 6:30 AM +1 | 8:30 AM |
IST (India Standard Time, UTC+5:30) shown as reference for Indian users. +1/−1 indicates a different calendar day.
63 Cities in Santiago (GMT-3) & 163 Cities in Tehran (GMT+3:30)
Santiago & 62 more — Santiago (GMT-3, UTC-4)
- Santiago, CL 7.2M
- Concepcion, CL 720K
- Puente Alto, CL 574K
- Maipu, CL 522K
- La Florida, CL 367K
- Antofagasta, CL 349K
- Vina del Mar, CL 333K
- San Bernardo, CL 301K
- Valparaiso, CL 297K
- Temuco, CL 282K
- Las Condes, CL 250K
- Osorno, CL 250K
- Rancagua, CL 231K
- Penalolen, CL 216K
- Quilicura, CL 210K
Talca, CLCoquimbo, CLArica, CLLa Serena, CLIquique, CLLa Pintana, CLEl Bosque, CLPuerto Montt, CLChillan, CLTalcahuano, CLCopiapo, CLCalama, CLValdivia, CLMelipilla, CLQuilpue, CLColina, CLLos Angeles, CLCurico, CLRenca, CLConchali, CLVilla Alemana, CLOvalle, CLLa Granja, CLMacul, CLCoronel, CLAlto Hospicio, CLLo Barnechea, CLEspejo, CLBuin, CLSan Ramon, CLSan Joaquin, CLLa Reina, CLPenaflor, CLLos Cerrillos, CLSan Antonio, CLChiguayante, CLPadre Hurtado, CLPadre Las Casas, CLLinares, CLQuillota, CLPaine, CLSan Felipe, CLLos Andes, CLSan Fernando, CLTalagante, CLRengo, CLVillarrica, CLLa Calera, CL
Tehran & 162 more — Tehran (GMT+3:30, UTC+3:30)
- Tehran, IR 14.1M
- Mashhad, IR 3.7M
- Esfahan, IR 2.2M
- Karaj, IR 2.0M
- Shiraz, IR 1.6M
- Tabriz, IR 1.6M
- Ahvaz, IR 1.3M
- Qom, IR 1.2M
- Kermanshah, IR 947K
- Kerman, IR 738K
- Orumiyeh, IR 736K
- Borvayeh-ye Al Bu `Aziz, IR 690K
- Rasht, IR 680K
- Bahar, IR 673K
- Zahedan, IR 588K
Hamadan, IRYazd, IRArdabil, IRBandar `Abbas, IRArak, IREslamshahr, IRSanandaj, IRQazvin, IRZanjan, IRGorgan, IRShahriar, IRShahr-e Qods, IRKashan, IRMalard, IRMaragheh, IRSarta, IRDezful, IRBabol, IRQa'em Shahr, IRKhomeyni Shahr, IRSabzevar, IRAndimeshk, IRAmol, IRPakdasht, IRNajafabad, IRBorujerd, IRMadan, IRQarchak, IRBojnurd, IRVaramin, IRBandar-e Bushehr, IRNeyshabur, IRSaveh, IRBirjand, IRNasim Shahr, IRKhorramabad, IRKhowy, IRBukan, IRShahr-e Kord, IRSemnan, IRFardis, IRSirjan, IRShahin Shahr, IRMalayer, IRMahabad, IRSaqqez, IRShahrud, IRKhodabandeh, IRBandar-e Mahshahr, IRRafsanjan, IRBorazjan, IRGonbad-e Kavus, IRMarvdasht, IRQuchan, IRJahrom, IRKamalshahr, IRTorbat-e Heydariyeh, IRMarivan, IRShahreza, IRZabol, IRKhorramshahr, IRMarand, IRJiroft, IRSalmas, IRBam, IRBehbahan, IRDorud, IRNazarabad, IRMohammad Shahr, IRBandar-e Anzali, IRIranshahr, IRFasa, IRBaneh, IRYasuj, IRChabahar, IRRobat Karim, IRKashmar, IRShushtar, IRAhar, IRMasjed Soleyman, IRTorbat-e Jam, IRAbhar, IRMianeh, IRDo Gonbadan, IRKazerun, IRBehshahr, IRAlvand, IRPiranshahr, IREslamabad-e Gharb, IRKuhdasht, IRFulad Shahr, IRKhowrasgan, IRTajrish, IRShirvan, IRMeybod, IRTakestan, IRLangarud, IRBumahen, IRBaharestan, IRAligudarz, IRBandar-e Emam Khomeyni, IRBandar Emam, IRQorveh, IRShush, IRNahavand, IRBonab, IRArdakan, IRRamhormoz, IRMeshgin Shahr, IRBandar-e Genaveh, IRNaqadeh, IRKhomeyn, IROmidiyeh, IRAran Bidgol, IRBaqershahr, IRMahdasht, IRMobarakeh, IRMeshkin Dasht, IRNeka, IRKangan, IRAbyek, IRSaravan, IRBabolsar, IREsfarayen, IRDamghan, IRZarand, IRBorujen, IRDehdasht, IRKhash, IRTaybad, IRKut-e `Abdollah, IRZarrin Shahr, IRAsadabad, IRHashtgerd, IRTonekabon, IRKhorramdarreh, IREqbaliyeh, IRJavanrud, IRHashtpar, IRSefrou, MASabbashahr, IRBandar-e Torkaman, IRChenaran, IRBijar, IR`Aliabad-e Katul, IRKahnuj, IRSusangerd, IRTuyserkan, IR
⚠️ Daylight Saving Time Affects This Pair
| Timezone | DST? | Standard | Daylight |
|---|---|---|---|
| America/Santiago | Yes | UTC-4 | UTC-3 |
| Asia/Tehran | No | UTC+3:30 | — |
During DST periods the time difference between these zones may be 6 hours 30 minutes instead of 7 hours 30 minutes. Always verify the current offset if scheduling calls near clock-change dates.