Lagos
Nigeria
--:-- --
GMT+1 · UTC+1
2 hours 30 minutes difference
Tehran
Iran
--:-- --
GMT+3:30 · UTC+3:30

24-Hour Overlap Timeline

✅ Overlap: 9:00 AM–4:00 PM in Lagos · 11:00 AM–6:00 PM in Tehran (7h window)
01234567891011121314151617181920212223
UTC →
🇳🇬 Lagos UTC+1 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p 12a
🇮🇷 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: Lagos (GMT+1) vs Tehran (GMT+3:30)

Time Gap
2h 30m
Tehran ahead
DST Status
✅ Lagos
No DST
✅ Tehran: No DST
Cities in GMT+1
534
Largest: Lagos
16,637,000 pop.
Overlap Window
7h window
9:00 AM – 4:00 PM (GMT+1)
11:00 AM – 6:00 PM (GMT+3:30)

Find Cities in Lagos & Tehran Timezones

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The GMT+1 and GMT+3:30 timezones are separated by 2 hours 30 minutes. Lagos is the largest city in the Africa/Lagos zone and Tehran is the largest in Asia/Tehran. Neither timezone observes daylight saving time, so the difference is constant year-round. For scheduling between these regions, the key fact is: there are 7 hours of mutual business-hours overlap each day.

Best Times to Schedule Calls: Lagos (GMT+1) ↔ Tehran (GMT+3:30)

Lagos (GMT+1) Tehran (GMT+3:30) Quality
4:00 AM 6:00 AM
5:00 AM 7:00 AM
6:00 AM 8:00 AM
7:00 AM 9:00 AM ⚠️
8:00 AM 10:00 AM ⚠️
9:00 AM 11:00 AM
10:00 AM 12:00 PM
11:00 AM 1:00 PM
12:00 PM 2:00 PM
1:00 PM 3:00 PM
2:00 PM 4:00 PM
3:00 PM 5:00 PM
4:00 PM 6:00 PM ⚠️
5:00 PM 7:00 PM ⚠️
6:00 PM 8:00 PM
7:00 PM 9:00 PM
8:00 PM 10:00 PM
9:00 PM 11:00 PM

Work hours defined as 09:00–18:00 local time. ✅ Both in work hours  ⚠️ Borderline  ❌ Outside work hours.

GMT+1 to GMT+3:30: Complete 24-Hour Time Conversion Table

Lagos (GMT+1) Tehran (GMT+3:30) IST (UTC+5:30)
12:00 AM 2:30 AM 4:30 AM
1:00 AM 3:30 AM 5:30 AM
2:00 AM 4:30 AM 6:30 AM
3:00 AM 5:30 AM 7:30 AM
4:00 AM 6:30 AM 8:30 AM
5:00 AM 7:30 AM 9:30 AM
6:00 AM 8:30 AM 10:30 AM
7:00 AM 9:30 AM 11:30 AM
8:00 AM 10:30 AM 12:30 PM
9:00 AM 11:30 AM 1:30 PM
10:00 AM 12:30 PM 2:30 PM
11:00 AM 1:30 PM 3:30 PM
12:00 PM 2:30 PM 4:30 PM
1:00 PM 3:30 PM 5:30 PM
2:00 PM 4:30 PM 6:30 PM
3:00 PM 5:30 PM 7:30 PM
4:00 PM 6:30 PM 8:30 PM
5:00 PM 7:30 PM 9:30 PM
6:00 PM 8:30 PM 10:30 PM
7:00 PM 9:30 PM 11:30 PM
8:00 PM 10:30 PM 12:30 AM
9:00 PM 11:30 PM 1:30 AM
← Date changes in Tehran →
10:00 PM 12:30 AM +1 2:30 AM
11:00 PM 1:30 AM +1 3:30 AM

IST (India Standard Time, UTC+5:30) shown as reference for Indian users. +1/−1 indicates a different calendar day.

534 Cities in Lagos (GMT+1) & 163 Cities in Tehran (GMT+3:30) — Page 1 of 3

Lagos & 533 more — Lagos (GMT+1, UTC+1)

Pointe-Noire, CGCacuaco, AOMaiduguri, NGMbandaka, CDAba, NGShagamu, NGIkare, NGOgbomoso, NGEnugu, NGKibanseke Premiere, CDMushin, NGOwerri, NGCazenga, AOBangui, CFAbeokuta, NGIkeja, NGAkure, NGIlorin, NGN'Djamena, TDOran, DZLibreville, GALubango, AOKaduna, NGCabinda, AOOsogbo, NGHuambo, AOBauchi, NGLokoja, NGAgege, NGCotonou, BJNneyi-Umuleri, NGJalingo, NGAbomey-Calavi, BJJos, NGMalanje, AOGaroua, CMBamenda, CMBafoussam, CMTunis, TNSomolu, NGUyo, NGBenguela, AOCuito, AOIle-Ife, NGBelas, AOTalatona, AOAsaba, NGKikwit, CDConstantine, DZMatadi, CDAdo-Ekiti, NGNdjili, CDLobito, AOSokoto, NGUgep, NGZaria, NGIgboho, NGIjebu-Ode, NGSaurimo, AOYola, NGNnewi, NGGwoza, NGSaki, NGOyo, NGKisenzi, CDIlesa, NGGusau, NGWarri, NGUmuahia, NGOndo, NGCubal, AOLuena, AOGwagwalada, NGSfax, TNLafia, NGUige, AOMinna, NGMenongue, AOOkene, NGKatsina, NGSousse, TNMalabo, GQVila Teixeira da Silva, AOBatna, DZSetif, DZKaura Namoda, NGSumbe, AOCaala, AOGabela, AONguru, NGMaradi, NETchibota, CGMatala, AOHong, NGNdulo, AOAndulo, AOAnnaba, DZMocamedes, AOGodome, BJBata, GQBanikoara, BJSapele, NGDjougou, BJIseyin, NGZinder, NEGanda, AOMambere, CFDamboa, NGUacu Cungo, AOBarra do Dande, AOOwo, NGTchaourou, BJOsisioma, NGApapa, NGSidi Aissa, DZSidi Bel Abbes, DZKuje, NGKairouan, TNBurutu, NGParakou, BJBakaga, BJBiskra, DZKukawa, NGMaroua, CMMai'Adua, NGSoio, AOIsanlu, NGGbadolite, CDBaure, NGTchitato, AOTebessa, DZIwo, NGOuargla, DZChibia, AONgaoundere, CMUcu Seles, AOCuango, AOMalumfashi, NGEpe, NGInisa, NGFuntua, NGMbanza Kongo, AOCaluquembe, AOCalabar, NGEl Khroub, DZTiaret, DZKandi, BJDundo, AOBejaia, DZBiu, NGCatumbela, AOAda, NGBida, NGBir el Djir, DZCazanga, AOMakurdi, NGAplahoue, BJKalale, BJMalanville, BJBordj Bou Arreridj, DZGabes, TNCatape, AOCaconda, AOOffa, NGBechar, DZEbo, AOBocoio, AOQuibala, AOSkikda, DZBoma, CDBizerte, TNNdalatando, AOEde, NGQuipungo, AODjelfa, DZKetou, BJKisi, NGSouk Ahras, DZChlef, DZEl Eulma, DZZango, NGLucapa, AOMoanda, CDSukrah, TNDutse, NG

Tehran & 162 more — Tehran (GMT+3:30, UTC+3:30)

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