What is the time difference between Dhaka and Tehran?

Dhaka is 2 hours 30 minutes ahead of Tehran during standard time.

When is the best time to schedule a call between Dhaka and Tehran?

The best times to connect are 12:00 PM GMT+6, 1:00 PM GMT+6, 2:00 PM GMT+6, when both regions are within standard business hours.

Dhaka to Tehran Time Converter — GMT+6 to GMT+3:30, 2 hours 30 minutes difference

24-Hour Overlap Timeline

✅ Overlap: 12:00 PM–6:00 PM in Dhaka · 9:00 AM–3:00 PM in Tehran (6h window)

	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 →
🇧🇩 Dhaka UTC+6	6a	7a	8a	9a	10a	11a	12p	1p	2p	3p	4p	5p	6p	7p	8p	9p	10p	11p	12a	1a	2a	3a	4a	5a
🇮🇷 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
🇮🇳 India (IST) UTC+5:30	5a	6a	7a	8a	9a	10a	11a	12p	1p	2p	3p	4p	5p	6p	7p	8p	9p	10p	11p	12a	1a	2a	3a	4a

Both working Working Off hours Sleeping Now

Key Facts: Dhaka (GMT+6) vs Tehran (GMT+3:30)

Time Gap

2h 30m

Dhaka ahead

DST Status

✅ Dhaka

No DST

✅ Tehran: No DST

Cities in GMT+6

100

Largest: Dhaka

19,134,000 pop.

Overlap Window

6h window

12:00 PM – 6:00 PM (GMT+6)

9:00 AM – 3:00 PM (GMT+3:30)

Find Cities in Dhaka & Tehran Timezones

The GMT+6 and GMT+3:30 timezones are separated by 2 hours 30 minutes. Dhaka is the largest city in the Asia/Dhaka 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 6 hours of mutual business-hours overlap each day.

Best Times to Schedule Calls: Dhaka (GMT+6) ↔ Tehran (GMT+3:30)

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

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

GMT+6 to GMT+3:30: Complete 24-Hour Time Conversion Table

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

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

100 Cities in Dhaka (GMT+6) & 163 Cities in Tehran (GMT+3:30)

Dhaka & 99 more — Dhaka (GMT+6, UTC+6)

Mymensingh, BD Ghulja, CN Aksu, CN Kumul, CN Karamay, CN Sylhet, BD Kuqa, CN Sirajganj, BD Rajshahi, BD Yan'an Beilu, CN Kushtia, BD Barura, BD Bogra, BD Tangail, BD Savar, BD Osh, KG Tungi, BD Hotan, CN Comilla, BD Rangpur, BD Brahmanbaria, BD Feni, BD Siddhirganj, BD Jhenida, BD Companiganj, BD Jessore, BD Banchpar, BD Atushi, CN Bole, CN Nazipur, BD Barishal, BD Chuadanga, BD Cox's Bazar, BD Dinajpur, BD Brahmanpara, BD Pabna, BD Narsingdi, BD Jamalpur, BD Kuytun, CN Fukang, CN Aral, CN Tacheng, CN Naogaon, BD Bhandaria, BD Nawabganj, BD Altay, CN Sripur, BD Maijdi, BD Saidpur, BD Faridpur, BD Fulgazi, BD Thimphu, BT Satkhira, BD Wujiaqu, CN Netrakona, BD Goalundo Ghat, BD Jalal-Abad, KG Bhola, BD Karakol, KG Habiganj, BD Lakshmipur, BD Koktokay, CN Kargilik, CN Manikganj, BD Korgas, CN Kaukhali, BD Karakax, CN Qarqan, CN Patuakhali, BD Panchari Bazar, BD Nakhyaungcharipara, BD Lalmanirhat, BD Pirojpur, BD Arankhola, BD Gaibandha, BD Raharpur, BD Elenga, BD Balykchy, KG Jalakati, BD Tokmok, KG Sherpur, BD Gopalganj, BD Kyzyl-Kyya, KG Sunamganj, BD Gopalpur, BD

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

Hamadan, IR Yazd, IR Ardabil, IR Bandar `Abbas, IR Arak, IR Eslamshahr, IR Sanandaj, IR Qazvin, IR Zanjan, IR Gorgan, IR Shahriar, IR Shahr-e Qods, IR Kashan, IR Malard, IR Maragheh, IR Sarta, IR Dezful, IR Babol, IR Qa'em Shahr, IR Khomeyni Shahr, IR Sabzevar, IR Andimeshk, IR Amol, IR Pakdasht, IR Najafabad, IR Borujerd, IR Madan, IR Qarchak, IR Bojnurd, IR Varamin, IR Bandar-e Bushehr, IR Neyshabur, IR Saveh, IR Birjand, IR Nasim Shahr, IR Khorramabad, IR Khowy, IR Bukan, IR Shahr-e Kord, IR Semnan, IR Fardis, IR Sirjan, IR Shahin Shahr, IR Malayer, IR Mahabad, IR Saqqez, IR Shahrud, IR Khodabandeh, IR Bandar-e Mahshahr, IR Rafsanjan, IR Borazjan, IR Gonbad-e Kavus, IR Marvdasht, IR Quchan, IR Jahrom, IR Kamalshahr, IR Torbat-e Heydariyeh, IR Marivan, IR Shahreza, IR Zabol, IR Khorramshahr, IR Marand, IR Jiroft, IR Salmas, IR Bam, IR Behbahan, IR Dorud, IR Nazarabad, IR Mohammad Shahr, IR Bandar-e Anzali, IR Iranshahr, IR Fasa, IR Baneh, IR Yasuj, IR Chabahar, IR Robat Karim, IR Kashmar, IR Shushtar, IR Ahar, IR Masjed Soleyman, IR Torbat-e Jam, IR Abhar, IR Mianeh, IR Do Gonbadan, IR Kazerun, IR Behshahr, IR Alvand, IR Piranshahr, IR Eslamabad-e Gharb, IR Kuhdasht, IR Fulad Shahr, IR Khowrasgan, IR Tajrish, IR Shirvan, IR Meybod, IR Takestan, IR Langarud, IR Bumahen, IR Baharestan, IR Aligudarz, IR Bandar-e Emam Khomeyni, IR Bandar Emam, IR Qorveh, IR Shush, IR Nahavand, IR Bonab, IR Ardakan, IR Ramhormoz, IR Meshgin Shahr, IR Bandar-e Genaveh, IR Naqadeh, IR Khomeyn, IR Omidiyeh, IR Aran Bidgol, IR Baqershahr, IR Mahdasht, IR Mobarakeh, IR Meshkin Dasht, IR Neka, IR Kangan, IR Abyek, IR Saravan, IR Babolsar, IR Esfarayen, IR Damghan, IR Zarand, IR Borujen, IR Dehdasht, IR Khash, IR Taybad, IR Kut-e `Abdollah, IR Zarrin Shahr, IR Asadabad, IR Hashtgerd, IR Tonekabon, IR Khorramdarreh, IR Eqbaliyeh, IR Javanrud, IR Hashtpar, IR Sefrou, MA Sabbashahr, IR Bandar-e Torkaman, IR Chenaran, IR Bijar, IR `Aliabad-e Katul, IR Kahnuj, IR Susangerd, IR Tuyserkan, IR

Convert Dhaka (GMT+6) to Tehran (GMT+3:30) Time — 2 hours 30 minutes apart