Intosoft Tools

India to Seoul

+3h 30m

India

ISTSOURCE
UTC+05:30
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

Seoul

KST
South Korea · UTC+09:00
HH03
:
MM30
  
15:30 (24-hr)
12 AM6 AM12 PM6 PM12 AM
India
Seoul
12:00 AM
3:30 AM
2:00 AM
5:30 AM
4:00 AM
7:30 AM
6:00 AM
9:30 AM
8:00 AM
11:30 AM
10:00 AM
1:30 PM
12:00 PM
3:30 PM
2:00 PM
5:30 PM
4:00 PM
7:30 PM
6:00 PM
9:30 PM
8:00 PM
11:30 PM
10:00 PM
1:30 AM+1

Green rows indicate typical business hours (9 AM - 5 PM)

IST and KST on the World Map

The map below highlights the IST (India Standard Time) and KST (Korea Standard Time) timezone regions across the globe.

ISTKSTMumbaiDelhiBangaloreKolkataSeoulBusanIncheonDaegu
IST Zone
KST Zone

Explore all world timezones interactively →

ISTIndia Standard Time

UTC+05:30

India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.

Countries in IST
IndiaSri Lanka
Major Cities in IST
MumbaiDelhiBangaloreKolkataChennaiHyderabadPuneAhmedabadColomboJaipurLucknowSurat
Key Facts about IST
  • 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.
Daylight Saving:No – UTC+05:30 year-round
Learn more about IST on Wikipedia

KSTKorea Standard Time

UTC+09:00

Korea Standard Time (KST) is the time zone for South Korea, 9 hours ahead of UTC.

Countries in KST
South KoreaNorth Korea
Major Cities in KST
SeoulBusanIncheonDaeguDaejeonPyongyang
Key Facts about KST
  • South Korea does not observe daylight saving time.
  • Seoul is home to Samsung, LG, and Hyundai headquarters.
  • KST is the same offset as JST (UTC+09:00).
Daylight Saving:No – UTC+09:00 year-round
Learn more about KST on Wikipedia

About Seoul

Wikipedia

Seoul operates on Korea Standard Time (KST), UTC+9, same as Japan. As a global tech and entertainment hub, Seoul coordinates with East Asian markets.

Population:9.7 million
Metro:25.5 million
Business Hours:9:00 AM - 6:00 PM KST
Currency:KRW (₩)
Stock Exchange:KRX (Korea Exchange)
Key Landmarks
Gyeongbokgung PalaceN Seoul TowerBukchon Hanok VillageDongdaemun Design PlazaCheonggyecheon Stream
Did You Know?

The Seoul subway system ranks among the most extensive and efficient in the world.

Learn more about KST timezone →

Comparing Time Zones: India and Seoul

India operates on the India Standard Time (UTC+05:30). Seoul, South Korea uses Korea Standard Time (UTC+09:00).

The time difference between India and Seoul is 210 minutes (+3h 30m). When it's noon in India, it's 03:30 PM in Seoul.

Why Convert India to Seoul Time?

Whether you're traveling from India to Seoul or simply need to coordinate across time zones, understanding the 3.5-hour difference is key. Use this converter to quickly determine the current time in Seoul and ensure your schedule aligns perfectly.

Remember: Daylight Saving Time changes can affect the time difference between India and Seoul. Always double-check the current offset before scheduling important events.

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.

About KST (Korea Standard Time)

Korea Standard Time (KST) is the time zone used in South Korea. It shares the same UTC offset as Japan Standard Time but is a distinct time zone. South Korea does not observe daylight saving time. Seoul, the capital, is a major global tech and business hub.

Best Time to Call Between India and Seoul

If you want to reach someone in Seoul during standard business hours (9 AM – 5 PM KST), the best time to call from India would be:

  • Seoul 9:00 AM = India 05:30 AM
  • Seoul 12:00 PM = India 08:30 AM
  • Seoul 5:00 PM = India 01:30 PM

Business Hours Overlap

India and Seoul have a partial business hours overlap. The best window for meetings and calls is when both locations are in their working hours.

Ultimately, understanding the +3h 30m difference between India and Seoul empowers you to coordinate better. Whether for business or personal reasons, this tool ensures you're always on time.

Frequently Asked Questions

What is the time difference between India and Seoul?

Seoul is +3h 30m from India.

What timezone is India in?

India operates on its local timezone.

What timezone is Seoul in?

Seoul operates on Korea Standard Time (KST), UTC+9, same as Japan. As a global tech and entertainment hub, Seoul coordinates with East Asian markets.

What are the business hours in Seoul?

Standard business hours in Seoul are 9:00 AM - 6:00 PM KST.

Which countries use IST (India Standard Time)?

IST is used in India, Sri Lanka.

Does IST observe daylight saving time?

No, IST does not observe daylight saving time and remains at UTC+05:30 year-round.

What are some interesting facts about IST?

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.

Which cities are in the KST timezone?

Major cities in the KST timezone include Seoul, Busan, Incheon, Daegu, Daejeon, Pyongyang.

What is the UTC offset for KST?

Korea Standard Time (KST) is at UTC+09:00.

What should I know about the KST timezone?

South Korea does not observe daylight saving time. Seoul is home to Samsung, LG, and Hyundai headquarters.

When is it midnight in India, what time is it in Seoul?

When it is 12:00 AM (midnight) in India (IST), it is +3h 30m later in Seoul (KST).

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