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.

SGT to CLT

-12h

SGT

SGTSOURCE

UTC+08:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

CLT

UTC-03:00☀ DST active

HH12

MM00

00:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

SGT

CLT

12:00 AM

1:00 PM-1

2:00 AM

3:00 PM-1

4:00 AM

5:00 PM-1

6:00 AM

7:00 PM-1

8:00 AM

9:00 PM-1

10:00 AM

11:00 PM-1

12:00 PM

1:00 AM

2:00 PM

3:00 AM

4:00 PM

5:00 AM

6:00 PM

7:00 AM

8:00 PM

9:00 AM

10:00 PM

11:00 AM

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

SGT and CLT on the World Map

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

SGT Zone

→

CLT 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

CLT – Chile Standard Time

UTC-04:00

Chile Standard Time (CLT) is the time zone for continental Chile, 4 hours behind UTC.

Countries in CLT

Chile

Major Cities in CLT

SantiagoValparaísoConcepciónViña del MarAntofagasta

Key Facts about CLT

•Chile observes daylight saving time, switching to CLST (UTC-03:00) in summer.
•Santiago is the largest city in Chile with over 6 million in the metro area.
•Chile spans over 4,300 km from north to south but uses one timezone.

Daylight Saving:Yes – switches to CLST

Learn more about CLT on Wikipedia

Everything You Need to Know About SGT and CLT Time

SGT runs on Singapore Standard Time (SGT) at UTC+08:00. CLT runs on Chile Standard Time (CLT) at UTC-04:00. That puts SGT 12 hours behind CLT — a difference of -12h at the current offsets.

In practice, when it is 9:00 AM in SGT it is 9:00 PM in CLT on the previous day. Midnight in SGT is 12:00 PM in CLT. Neither zone observes daylight saving time, so the offset between them stays constant all year.

SGT to CLT time conversion table

SGT (SGT)	CLT (CLT)	Day
12:00 AM	12:00 PM	previous day
6:00 AM	6:00 PM	previous day
7:00 AM	7:00 PM	previous day
8:00 AM	8:00 PM	previous day
9:00 AM	9:00 PM	previous day
12:00 PM	12:00 AM	same day
3:00 PM	3:00 AM	same day
5:00 PM	5:00 AM	same day
6:00 PM	6:00 AM	same day
9:00 PM	9:00 AM	same day

Why people convert SGT to CLT time

Scheduling a call from SGT to CLT: a 10:00 AM start in SGT lands at 10:00 PM in CLT the previous day, so you can confirm the slot without doing the arithmetic yourself.
Handling a -12h gap: SGT and CLT have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in CLT is 9:00 PM in SGT.
Coordinating a SGT-based team with CLT contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.

Always state the zone abbreviation, not just the hour. "3:00 PM SGT" is unambiguous; "3 PM" across a -12h gap is not.
With a -12h gap there is no shared 9-to-5 window, so alternate the early start: one week SGT takes the early slot, the next week CLT does.

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 CLT (Chile Standard Time)

Chile Standard Time (CLT) is the standard time in Chile. During summer months (October to March), Chile switches to Chile Summer Time (CLST, UTC-03:00). Chile is the longest north-south country in the world.

Best time to call between SGT and CLT

With a -12h offset there is no overlap inside a normal 9 AM – 5 PM day. CLT opens at 9:00 AM CLT, which is 9:00 PM in SGT, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

SGT and CLT have no shared working hours because of the -12h gap. Teams need to alternate early starts or rely on asynchronous handovers.

SGT is 12 hours behind CLT (SGT UTC+08:00 → CLT UTC-04:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

SGT

Does not observe DST

CLT

☀ Currently in DST

Standard: UTC-04:00 · DST: UTC-03:00

Clocks fall back on Sun, Apr 4, 2027

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 SGT and CLT?

SGT (SGT, UTC+08:00) is 12 hours behind CLT (CLT, UTC-04:00). The gap is currently -12h.

How do I convert SGT time to CLT time?

Add -12h to SGT local time. For example, 9:00 AM in SGT is 9:00 PM in CLT (previous day).

What time is it in CLT right now?

CLT uses CLT at UTC-04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -12h offset from SGT.

What is the best time to call CLT from SGT?

There is no shared working-hours window because of the -12h gap. The closest option is 1:00 PM in SGT, which is 1:00 AM in CLT.

Which is behind, SGT or CLT?

SGT is 12 hours behind CLT. When it is 12:00 PM in SGT it is 12:00 AM in CLT.

Does daylight saving time affect the SGT–CLT difference?

Neither zone observes daylight saving time, so the -12h offset between SGT and CLT is fixed all year.

Which other cities share SGT's time zone?

SGT also covers Singapore.

Which countries use SGT, SGT's zone?

SGT is used in Singapore.

Is there a day difference between SGT and CLT?

Sometimes. The -12h gap is large enough that 8:00 PM or later in SGT already falls on the in CLT.

What is the time difference between SGT and CLT?

CLT is -12h from SGT.

What timezone is SGT in?

SGT operates on its local timezone.

What timezone is CLT in?

CLT operates on its local timezone.

Which countries use SGT (Singapore Standard Time)?

SGT is used in Singapore.

Does SGT observe daylight saving time?

No, SGT does not observe daylight saving time and remains at UTC+08:00 year-round.

What are some interesting 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.

Which cities are in the CLT timezone?

Major cities in the CLT timezone include Santiago, Valparaíso, Concepción, Viña del Mar, Antofagasta.

What is the UTC offset for CLT?

Chile Standard Time (CLT) is at UTC-04:00. During daylight saving time, it shifts to CLST.

What should I know about the CLT timezone?

Chile observes daylight saving time, switching to CLST (UTC-03:00) in summer. Santiago is the largest city in Chile with over 6 million in the metro area.