Tehran to Bangalore
+2hTehran
IRSTSOURCEBangalore
ISTGreen rows indicate typical business hours (9 AM - 5 PM)
IRST and IST on the World Map
The map below highlights the IRST (Iran Standard Time) and IST (India Standard Time) timezone regions across the globe.
IRST – Iran Standard Time
UTC+03:30Iran Standard Time (IRST) is the time zone for Iran, 3 hours and 30 minutes ahead of UTC.
- •IRST is one of only a few time zones with a 30-minute offset.
- •Iran observes daylight saving time, switching to IRDT (UTC+04:30).
- •Tehran has a metropolitan population of over 16 million.
IST – India Standard Time
UTC+05:30India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.
- •India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT.
- •India uses a single time zone despite spanning 30° of longitude.
- •IST is one of only a handful of time zones with a 30-minute offset.
- •IST is the most populous single time zone in the world with over 1.4 billion people.
- •The Bombay Stock Exchange (BSE) and National Stock Exchange (NSE) operate on IST.
About Tehran
WikipediaTehran operates on Iran Standard Time (IRST), UTC+3:30. Iran's unique half-hour offset makes Tehran time distinctive for regional business coordination.
Iran Standard Time (IRST) is one of few timezones with a 30-minute offset (UTC+3:30).
About Bangalore
WikipediaBangalore operates on India Standard Time (IST), UTC+5:30. As India's tech capital, Bangalore time is crucial for global IT outsourcing coordination.
The city has the most breweries of any Indian city and is called the 'Pub Capital of India.'
Tehran to Bangalore Time Difference – Complete Guide
Tehran runs on Iran Standard Time (IRST) at UTC+03:30. Bangalore runs on India Standard Time (IST) at UTC+05:30. That puts Tehran 2 hours ahead of Bangalore — a difference of +2h at the current offsets.
In practice, when it is 9:00 AM in Tehran it is 11:00 AM in Bangalore. Midnight in Tehran is 2:00 AM in Bangalore. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Tehran to Bangalore time conversion table
| Tehran (IRST) | Bangalore (IST) | Day |
|---|---|---|
| 12:00 AM | 2:00 AM | same day |
| 6:00 AM | 8:00 AM | same day |
| 7:00 AM | 9:00 AM | same day |
| 8:00 AM | 10:00 AM | same day |
| 9:00 AM | 11:00 AM | same day |
| 12:00 PM | 2:00 PM | same day |
| 3:00 PM | 5:00 PM | same day |
| 5:00 PM | 7:00 PM | same day |
| 6:00 PM | 8:00 PM | same day |
| 9:00 PM | 11:00 PM | same day |
Why people convert Tehran to Bangalore time
- Scheduling a call from Tehran to Bangalore: a 10:00 AM start in Tehran lands at 12:00 PM in Bangalore, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Tehran and Bangalore are inside the 9-to-5 working day between 9:00 AM and 3:00 PM IRST time (11:00 AM–5:00 PM IST). That is roughly 6 hours of usable overlap.
- Booking travel or deliveries: tracking Bangalore local time against Tehran keeps pickup windows and arrival estimates honest across the +2h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM IRST" is unambiguous; "3 PM" across a +2h gap is not.
- Block 9:00 AM–3:00 PM IRST as the recurring meeting window if you work primarily from Tehran and need Bangalore colleagues present.
About IRST (Iran Standard Time)
Iran Standard Time (IRST) is one of the few time zones with a 30-minute offset. Iran observes daylight saving time (IRDT, UTC+04:30) from late March to late September. Tehran, the capital, is one of the largest cities in the Middle East.
About IST (India Standard Time)
India Standard Time (IST) is the time observed throughout India and Sri Lanka. It is based on the 82.5°E meridian, passing through Mirzapur in Uttar Pradesh. India uses a single time zone despite spanning roughly 30° of longitude, which has been debated. IST does not observe daylight saving time. India is the world's most populous country, making IST one of the most-used time zones globally. The IT outsourcing industry and call centers operate primarily on IST, making the EST-to-IST conversion one of the most searched timezone conversions.
Best time to call between Tehran and Bangalore
Both Tehran and Bangalore sit inside the 9 AM – 5 PM working day between 9:00 AM–3:00 PM IRST, which is 11:00 AM–5:00 PM IST. That gives roughly 6 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Tehran and Bangalore share 6 hours of working-hours overlap (9:00 AM–3:00 PM IRST), so scheduling a live meeting is straightforward.
Tehran is 2 hours ahead of Bangalore (IRST UTC+03:30 → IST UTC+05:30). The shared working window is 9:00 AM–3:00 PM IRST. Remember to re-check around daylight-saving transitions.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Tehran and Bangalore?
Tehran (IRST, UTC+03:30) is 2 hours ahead of Bangalore (IST, UTC+05:30). The gap is currently +2h.
How do I convert Tehran time to Bangalore time?
Add +2h to Tehran local time. For example, 9:00 AM in Tehran is 11:00 AM in Bangalore.
What time is it in Bangalore right now?
Bangalore uses IST at UTC+05:30. Use the live converter at the top of this page — it updates in real time and already accounts for the +2h offset from Tehran.
What is the best time to call Bangalore from Tehran?
Call between 9:00 AM and 3:00 PM IRST — that maps to 11:00 AM–5:00 PM IST and keeps both parties inside the working day.
Which is ahead, Tehran or Bangalore?
Tehran is 2 hours ahead of Bangalore. When it is 12:00 PM in Tehran it is 2:00 PM in Bangalore.
Do Tehran and Bangalore use different time zones?
Tehran (Iran) uses IRST at UTC+03:30, while Bangalore (India) uses IST at UTC+05:30. The IANA identifiers are Asia/Tehran and Asia/Kolkata.
Does daylight saving time affect the Tehran–Bangalore difference?
Neither zone observes daylight saving time, so the +2h offset between Tehran and Bangalore is fixed all year.
Which other cities share Tehran's time zone?
IRST also covers Tehran, Isfahan, Mashhad, Tabriz, Shiraz, Karaj.
Which countries use IRST, Tehran's zone?
IRST is used in Iran.
Is there a day difference between Tehran and Bangalore?
Not normally. The +2h gap only pushes the date over for late-evening times.
What is the time difference between Tehran and Bangalore?
Bangalore is +2h from Tehran.
What timezone is Tehran in?
Tehran operates on Iran Standard Time (IRST), UTC+3:30. Iran's unique half-hour offset makes Tehran time distinctive for regional business coordination.
What timezone is Bangalore in?
Bangalore operates on India Standard Time (IST), UTC+5:30. As India's tech capital, Bangalore time is crucial for global IT outsourcing coordination.
What are the business hours in Tehran?
Standard business hours in Tehran are 8:00 AM - 4:00 PM IRST.
What are the business hours in Bangalore?
Standard business hours in Bangalore are 9:30 AM - 6:30 PM IST.
What is the best time to schedule a call between Tehran and Bangalore?
The best overlap for a call is when both cities are in business hours. Tehran works 8:00 AM - 4:00 PM IRST and Bangalore works 9:30 AM - 6:30 PM IST (+2h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Tehran and Bangalore?
Tehran uses IRR (﷼) while Bangalore uses INR (₹). Check current exchange rates when planning travel or business between these cities.
How do Tehran and Bangalore compare in size?
Tehran has a population of approximately 9.4 million (metro: 16.8 million), while Bangalore has approximately 8.4 million (metro: 13.2 million).
What are the major landmarks in Tehran and Bangalore?
Tehran is known for Azadi Tower, Golestan Palace, Grand Bazaar. Bangalore is famous for Bangalore Palace, Lalbagh Botanical Garden, Cubbon Park.
Do Tehran and Bangalore have stock exchanges?
Yes. Tehran has the TSE (Tehran Stock Exchange) and Bangalore has the NSE/BSE (via Mumbai). The +2h time difference affects trading hour overlaps between these exchanges.
Which countries use IRST (Iran Standard Time)?
IRST is used in Iran.
Does IRST observe daylight saving time?
Yes, IRST switches to IRDT during summer months.
What are some interesting facts about IRST?
IRST is one of only a few time zones with a 30-minute offset. Iran observes daylight saving time, switching to IRDT (UTC+04:30).
Which cities are in the IST timezone?
Major cities in the IST timezone include Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Pune, Ahmedabad.
What is the UTC offset for IST?
India Standard Time (IST) is at UTC+05:30.
What should I know about the IST timezone?
India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT. India uses a single time zone despite spanning 30° of longitude.
When is it midnight in Tehran, what time is it in Bangalore?
When it is 12:00 AM (midnight) in Tehran (IRST), it is +2h later in Bangalore (IST).
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