Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Singapore to Seoul

+1h

Singapore

SGTSOURCE

Singapore · UTC+08:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Seoul

KST

South Korea · UTC+09:00

HH01

MM00

13:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Singapore

Seoul

12:00 AM

1:00 AM

2:00 AM

3:00 AM

4:00 AM

5:00 AM

6:00 AM

7:00 AM

8:00 AM

9:00 AM

10:00 AM

11:00 AM

12:00 PM

1:00 PM

2:00 PM

3:00 PM

4:00 PM

5:00 PM

6:00 PM

7:00 PM

8:00 PM

9:00 PM

10:00 PM

11:00 PM

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

SGT and KST on the World Map

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

SGT Zone

→

KST Zone

Explore all world timezones interactively →

SGT – Singapore Standard Time

UTC+08:00

Singapore Standard Time (SGT) is the time zone for Singapore, 8 hours ahead of UTC.

Countries in SGT

Singapore

Major Cities in SGT

Singapore

Key Facts about SGT

•Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00).
•Singapore does not observe daylight saving time.
•The Singapore Exchange (SGX) operates on SGT.

Daylight Saving:No – UTC+08:00 year-round

Learn more about SGT on Wikipedia

KST – Korea 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 Singapore

Wikipedia

Singapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.

Population:5.5 million

Metro:5.9 million

Business Hours:9:00 AM - 6:00 PM SGT

Currency:SGD (S$)

Stock Exchange:SGX (Singapore Exchange)

Key Landmarks

Marina Bay SandsGardens by the BayMerlionSentosa IslandOrchard Road

Did You Know?

The city-state has the world's highest percentage of millionaires, with 1 in 6 households.

Learn more about SGT timezone →

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?

Seoul has the fastest average internet speed in the world.

Learn more about KST timezone →

Time Conversion Guide: Singapore to Seoul

Singapore runs on Singapore Standard Time (SGT) at UTC+08:00. Seoul runs on Korean Standard Time (KST) at UTC+09:00. That puts Singapore 1 hour ahead of Seoul — a difference of +1h at the current offsets.

In practice, when it is 9:00 AM in Singapore it is 10:00 AM in Seoul. Midnight in Singapore is 1:00 AM in Seoul. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Singapore to Seoul time conversion table

Singapore (SGT)	Seoul (KST)	Day
12:00 AM	1:00 AM	same day
6:00 AM	7:00 AM	same day
7:00 AM	8:00 AM	same day
8:00 AM	9:00 AM	same day
9:00 AM	10:00 AM	same day
12:00 PM	1:00 PM	same day
3:00 PM	4:00 PM	same day
5:00 PM	6:00 PM	same day
6:00 PM	7:00 PM	same day
9:00 PM	10:00 PM	same day

Why people convert Singapore to Seoul time

Scheduling a call from Singapore to Seoul: a 10:00 AM start in Singapore lands at 11:00 AM in Seoul, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Singapore and Seoul are inside the 9-to-5 working day between 9:00 AM and 4:00 PM SGT time (10:00 AM–5:00 PM KST). That is roughly 7 hours of usable overlap.
Booking travel or deliveries: tracking Seoul local time against Singapore keeps pickup windows and arrival estimates honest across the +1h offset.

Always state the zone abbreviation, not just the hour. "3:00 PM SGT" is unambiguous; "3 PM" across a +1h gap is not.
Block 9:00 AM–4:00 PM SGT as the recurring meeting window if you work primarily from Singapore and need Seoul colleagues present.

About SGT (Singapore Standard Time)

Singapore Standard Time (SGT) is used in Singapore year-round. Singapore does not observe daylight saving time. Despite being geographically close to the UTC+07:00 zone, Singapore uses UTC+08:00 to align with major trading partners like China, Hong Kong, and Malaysia. Singapore is a major global financial hub.

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 Singapore and Seoul

Both Singapore and Seoul sit inside the 9 AM – 5 PM working day between 9:00 AM–4:00 PM SGT, which is 10:00 AM–5:00 PM KST. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Singapore and Seoul share 7 hours of working-hours overlap (9:00 AM–4:00 PM SGT), so scheduling a live meeting is straightforward.

Singapore is 1 hour ahead of Seoul (SGT UTC+08:00 → KST UTC+09:00). The shared working window is 9:00 AM–4:00 PM SGT. 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:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Singapore and Seoul?

Singapore (SGT, UTC+08:00) is 1 hour ahead of Seoul (KST, UTC+09:00). The gap is currently +1h.

How do I convert Singapore time to Seoul time?

Add +1h to Singapore local time. For example, 9:00 AM in Singapore is 10:00 AM in Seoul.

What time is it in Seoul right now?

Seoul uses KST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +1h offset from Singapore.

What is the best time to call Seoul from Singapore?

Call between 9:00 AM and 4:00 PM SGT — that maps to 10:00 AM–5:00 PM KST and keeps both parties inside the working day.

Which is ahead, Singapore or Seoul?

Singapore is 1 hour ahead of Seoul. When it is 12:00 PM in Singapore it is 1:00 PM in Seoul.

Do Singapore and Seoul use different time zones?

Singapore (Singapore) uses SGT at UTC+08:00, while Seoul (South Korea) uses KST at UTC+09:00. The IANA identifiers are Asia/Singapore and Asia/Seoul.

Does daylight saving time affect the Singapore–Seoul difference?

Neither zone observes daylight saving time, so the +1h offset between Singapore and Seoul is fixed all year.

Which other cities share Singapore's time zone?

SGT also covers Singapore.

Which countries use SGT, Singapore's zone?

SGT is used in Singapore.

Is there a day difference between Singapore and Seoul?

Not normally. The +1h gap only pushes the date over for late-evening times.

What is the time difference between Singapore and Seoul?

Seoul is +1h from Singapore.

What timezone is Singapore in?

Singapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.

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 Singapore?

Standard business hours in Singapore are 9:00 AM - 6:00 PM SGT.

What are the business hours in Seoul?

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

What is the best time to schedule a call between Singapore and Seoul?

The best overlap for a call is when both cities are in business hours. Singapore works 9:00 AM - 6:00 PM SGT and Seoul works 9:00 AM - 6:00 PM KST (+1h difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Singapore and Seoul?

Singapore uses SGD (S$) while Seoul uses KRW (₩). Check current exchange rates when planning travel or business between these cities.

How do Singapore and Seoul compare in size?

Singapore has a population of approximately 5.5 million (metro: 5.9 million), while Seoul has approximately 9.7 million (metro: 25.5 million).

What are the major landmarks in Singapore and Seoul?

Singapore is known for Marina Bay Sands, Gardens by the Bay, Merlion. Seoul is famous for Gyeongbokgung Palace, N Seoul Tower, Bukchon Hanok Village.

Do Singapore and Seoul have stock exchanges?

Yes. Singapore has the SGX (Singapore Exchange) and Seoul has the KRX (Korea Exchange). The +1h time difference affects trading hour overlaps between these exchanges.