Intosoft 工具

Singapore to CDT

-13h

Singapore

SGTSOURCE
Singapore · UTC+08:00
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

CDT

CDT
UTC-05:00☀ DST active
HH11
:
MM00
  
(previous day)23:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Singapore
CDT
12:00 AM
11:00 AM-1
2:00 AM
1:00 PM-1
4:00 AM
3:00 PM-1
6:00 AM
5:00 PM-1
8:00 AM
7:00 PM-1
10:00 AM
9:00 PM-1
12:00 PM
11:00 PM-1
2:00 PM
1:00 AM
4:00 PM
3:00 AM
6:00 PM
5:00 AM
8:00 PM
7:00 AM
10:00 PM
9:00 AM

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

SGT and CDT on the World Map

The map below highlights the SGT (Singapore Standard Time) and CDT (Central Daylight Time) timezone regions across the globe.

SGTCDTSingaporeChicagoHoustonDallasAustin
SGT Zone
→
CDT 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

CDT – Central Daylight Time

UTC-05:00

Central Daylight Time (CDT) is the daylight saving offset in the Central Time Zone, 5 hours behind UTC.

Countries in CDT
United States (Central)Canada (Manitoba)
Major Cities in CDT
ChicagoHoustonDallasAustinWinnipegNashville
Key Facts about CDT
  • •CDT is the same offset as EST (UTC-05:00), which can cause confusion.
  • •CDT runs from the second Sunday in March to the first Sunday in November.
Daylight Saving:Yes – switches to CST
Learn more about CDT 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 →

Everything You Need to Know About Singapore and CDT Time

Singapore runs on Singapore Standard Time (SGT) at UTC+08:00. CDT runs on Central Daylight Time (CDT) at UTC-05:00. That puts Singapore 13 hours behind CDT — a difference of -13h at the current offsets.

In practice, when it is 9:00 AM in Singapore it is 8:00 PM in CDT on the previous day. Midnight in Singapore is 11:00 AM in CDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.

Singapore to CDT time conversion table

Singapore (SGT)CDT (CDT)Day
12:00 AM11:00 AMprevious day
6:00 AM5:00 PMprevious day
7:00 AM6:00 PMprevious day
8:00 AM7:00 PMprevious day
9:00 AM8:00 PMprevious day
12:00 PM11:00 PMprevious day
3:00 PM2:00 AMsame day
5:00 PM4:00 AMsame day
6:00 PM5:00 AMsame day
9:00 PM8:00 AMsame day

Why people convert Singapore to CDT time

  • Scheduling a call from Singapore to CDT: a 10:00 AM start in Singapore lands at 9:00 PM in CDT the previous day, so you can confirm the slot without doing the arithmetic yourself.
  • Handling a -13h gap: Singapore and CDT 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 CDT is 8:00 PM in Singapore.
  • Watching a live event or market open: Singapore viewers need 8:00 PM in CDT to catch a 9:00 AM start there, and 1:00 PM if the event is anchored to Singapore.
  • Always state the zone abbreviation, not just the hour. "3:00 PM SGT" is unambiguous; "3 PM" across a -13h gap is not.
  • With a -13h gap there is no shared 9-to-5 window, so alternate the early start: one week Singapore takes the early slot, the next week CDT 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 CDT (Central Daylight Time)

Central Daylight Time (CDT) is observed during summer months in the US and Canadian portions of the Central Time Zone. Clocks are moved forward by one hour, aligning with Eastern Standard Time (EST). Most of Mexico and Central America do not observe CDT, staying on CST year-round.

Best time to call between Singapore and CDT

With a -13h offset there is no overlap inside a normal 9 AM – 5 PM day. CDT opens at 9:00 AM CDT, which is 8:00 PM in Singapore, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

Singapore and CDT have no shared working hours because of the -13h gap. Teams need to alternate early starts or rely on asynchronous handovers.

Singapore is 13 hours behind CDT (SGT UTC+08:00 → CDT UTC-05:00). 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

Singapore

Does not observe DST

CDT

☀ Currently in DST

Standard: UTC-06:00 · DST: UTC-05:00

Clocks fall back on Sun, Nov 1, 2026

Frequently Asked Questions

What is the time difference between Singapore and CDT?

Singapore (SGT, UTC+08:00) is 13 hours behind CDT (CDT, UTC-05:00). The gap is currently -13h.

How do I convert Singapore time to CDT time?

Add -13h to Singapore local time. For example, 9:00 AM in Singapore is 8:00 PM in CDT (previous day).

What time is it in CDT right now?

CDT uses CDT at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -13h offset from Singapore.

What is the best time to call CDT from Singapore?

There is no shared working-hours window because of the -13h gap. The closest option is 1:00 PM in Singapore, which is 12:00 AM in CDT.

Which is behind, Singapore or CDT?

Singapore is 13 hours behind CDT. When it is 12:00 PM in Singapore it is 11:00 PM in CDT.

Do Singapore and CDT use different time zones?

Singapore (Singapore) uses SGT at UTC+08:00, while CDT uses CDT at UTC-05:00. The IANA identifiers are Asia/Singapore and America/Chicago.

Does daylight saving time affect the Singapore–CDT difference?

Neither zone observes daylight saving time, so the -13h offset between Singapore and CDT 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 CDT?

Sometimes. The -13h gap is large enough that 8:00 PM or later in Singapore already falls on the in CDT.

What is the time difference between Singapore and CDT?

CDT is -13h 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 CDT in?

CDT operates on its local timezone.

What are the business hours in Singapore?

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

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 CDT timezone?

Major cities in the CDT timezone include Chicago, Houston, Dallas, Austin, Winnipeg, Nashville.

What is the UTC offset for CDT?

Central Daylight Time (CDT) is at UTC-05:00. During daylight saving time, it shifts to CST.

What should I know about the CDT timezone?

CDT is the same offset as EST (UTC-05:00), which can cause confusion. CDT runs from the second Sunday in March to the first Sunday in November.

When is it midnight in Singapore, what time is it in CDT?

When it is 12:00 AM (midnight) in Singapore (SGT), it is -13h later in CDT (CDT).