Singapore to CLT
-12hSingapore
SGTSOURCECLT
CLTGreen 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 – Singapore Standard Time
UTC+08:00Singapore Standard Time (SGT) is the time zone for Singapore, 8 hours ahead of UTC.
- •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.
CLT – Chile Standard Time
UTC-04:00Chile Standard Time (CLT) is the time zone for continental Chile, 4 hours behind UTC.
- •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.
About Singapore
WikipediaSingapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.
The city-state has the world's highest percentage of millionaires, with 1 in 6 households.
Comparing Time Zones: Singapore and CLT
Singapore runs on Singapore Standard Time (SGT) at UTC+08:00. CLT runs on Chile Standard Time (CLT) at UTC-04:00. That puts Singapore 12 hours behind CLT — a difference of -12h at the current offsets.
In practice, when it is 9:00 AM in Singapore it is 9:00 PM in CLT on the previous day. Midnight in Singapore is 12:00 PM in CLT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Singapore to CLT time conversion table
| Singapore (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 Singapore to CLT time
- Scheduling a call from Singapore to CLT: a 10:00 AM start in Singapore 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: Singapore 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 Singapore.
- Coordinating a Singapore-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 Singapore 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 Singapore 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 Singapore, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Singapore and CLT have no shared working hours because of the -12h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Singapore 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
Singapore
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:
Frequently Asked Questions
What is the time difference between Singapore and CLT?
Singapore (SGT, UTC+08:00) is 12 hours behind CLT (CLT, UTC-04:00). The gap is currently -12h.
How do I convert Singapore time to CLT time?
Add -12h to Singapore local time. For example, 9:00 AM in Singapore 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 Singapore.
What is the best time to call CLT from Singapore?
There is no shared working-hours window because of the -12h gap. The closest option is 1:00 PM in Singapore, which is 1:00 AM in CLT.
Which is behind, Singapore or CLT?
Singapore is 12 hours behind CLT. When it is 12:00 PM in Singapore it is 12:00 AM in CLT.
Do Singapore and CLT use different time zones?
Singapore (Singapore) uses SGT at UTC+08:00, while CLT uses CLT at UTC-04:00. The IANA identifiers are Asia/Singapore and America/Santiago.
Does daylight saving time affect the Singapore–CLT difference?
Neither zone observes daylight saving time, so the -12h offset between Singapore and CLT 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 CLT?
Sometimes. The -12h gap is large enough that 8:00 PM or later in Singapore already falls on the in CLT.
What is the time difference between Singapore and CLT?
CLT is -12h 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 CLT in?
CLT 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 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.
When is it midnight in Singapore, what time is it in CLT?
When it is 12:00 AM (midnight) in Singapore (SGT), it is -12h later in CLT (CLT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Singapore time conversions
- singapore to sgt
- singapore to dubai
- singapore to mumbai
- singapore to delhi
- singapore to bangalore
- singapore to kathmandu
- singapore to bangkok
- singapore to hong kong
- singapore to shanghai
- singapore to beijing
- singapore to tokyo
- singapore to osaka
- singapore to seoul
- singapore to new york
- singapore to london
- singapore to sydney
- singapore to los angeles
- singapore to paris
- singapore to berlin
- singapore to toronto
- new york to singapore
- london to singapore
- dubai to singapore
- tokyo to singapore
- sydney to singapore
- los angeles to singapore
- paris to singapore
- delhi to singapore
- mumbai to singapore
- berlin to singapore
- hong kong to singapore
- toronto to singapore
- kathmandu to singapore
See every conversion from Singapore →·See every conversion from CLT →