Does it account for Daylight Saving Time?

Yes, our converter uses the IANA timezone database, which includes all current DST rules for every timezone in the world.

UTC (Coordinated Universal Time) is the primary time standard by which the world regulates clocks. All timezones are defined as offsets from UTC.

Can I compare multiple timezones at once?

Yes, you can add multiple cities or timezones and see the equivalent times side by side.

How many timezones are there in the world?

There are 38 distinct UTC offsets in use, ranging from UTC-12 to UTC+14. This includes half-hour (UTC+5:30 India, UTC+9:30 Australia) and 45-minute offsets (UTC+5:45 Nepal, UTC+8:45 Australia).

What is the International Date Line?

The International Date Line (IDL) runs roughly along the 180° meridian in the Pacific Ocean. When you cross it westward, you gain a day; crossing eastward, you lose a day.

Why do some timezones have 30 or 45 minute offsets?

Countries chose offsets that best matched their solar noon. India uses UTC+5:30 and Nepal uses UTC+5:45 because standard hourly offsets didn't align well with their geography.

Which country has the most timezones?

France has the most (12 timezones) due to overseas territories. Russia spans 11 timezones. The US has 6 (including Hawaii and Alaska).

Santiago to AEST

+13h

Santiago

CLSTSOURCE

Chile · UTC-03:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

AEST

UTC+10:00DST observed

HH01

MM00

(next day)01:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Santiago

AEST

12:00 AM

1:00 PM

2:00 AM

3:00 PM

4:00 AM

5:00 PM

6:00 AM

7:00 PM

8:00 AM

9:00 PM

10:00 AM

11:00 PM

12:00 PM

1:00 AM+1

2:00 PM

3:00 AM+1

4:00 PM

5:00 AM+1

6:00 PM

7:00 AM+1

8:00 PM

9:00 AM+1

10:00 PM

11:00 AM+1

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

CLST and AEST on the World Map

The map below highlights the CLST (Chile Standard Time) and AEST (Australian Eastern Standard Time) timezone regions across the globe.

CLST Zone

→

AEST Zone

Explore all world timezones interactively →

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

AEST – Australian Eastern Standard Time

UTC+10:00

Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.

Countries in AEST

Australia (NSW, VIC, QLD, TAS, ACT)Papua New Guinea

Major Cities in AEST

SydneyMelbourneBrisbaneCanberraHobartGold Coast

Key Facts about AEST

•Queensland does not observe daylight saving time, staying on AEST year-round.
•Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
•The Australian Securities Exchange (ASX) operates on AEST/AEDT.
•AEST is 15 hours ahead of EST during winter.

Daylight Saving:Yes – switches to AEDT

Learn more about AEST on Wikipedia

Comparing Time Zones: Santiago and AEST

Santiago runs on Chile Summer Time (CLST) at UTC-03:00, currently observing daylight saving time. AEST runs on Australian Eastern Standard Time (AEST) at UTC+10:00. That puts Santiago 13 hours ahead of AEST — a difference of +13h at the current offsets.

In practice, when it is 9:00 AM in Santiago it is 10:00 PM in AEST. Midnight in Santiago is 1:00 PM in AEST.Santiago observes daylight saving time while AEST does not, so the gap narrows or widens by an hour part of the year.

Santiago to AEST time conversion table

Santiago (CLST)	AEST (AEST)	Day
12:00 AM	1:00 PM	same day
6:00 AM	7:00 PM	same day
7:00 AM	8:00 PM	same day
8:00 AM	9:00 PM	same day
9:00 AM	10:00 PM	same day
12:00 PM	1:00 AM	next day
3:00 PM	4:00 AM	next day
5:00 PM	6:00 AM	next day
6:00 PM	7:00 AM	next day
9:00 PM	10:00 AM	next day

Why people convert Santiago to AEST time

Scheduling a call from Santiago to AEST: a 10:00 AM start in Santiago lands at 11:00 PM in AEST, so you can confirm the slot without doing the arithmetic yourself.
Handling a +13h gap: Santiago and AEST 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 AEST is 10:00 PM in Santiago.
Keeping family and friends in sync: knowing that 8:00 PM in Santiago is 9:00 AM in AEST makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM CLST" 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 Santiago takes the early slot, the next week AEST does.
Santiago: Clocks fall back on Sun, Apr 4, 2027. Re-check this page after that date because the offset changes and so does the +13h gap.

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.

About AEST (Australian Eastern Standard Time)

Australian Eastern Standard Time (AEST) is used in the eastern states of Australia including New South Wales, Victoria, Queensland, Tasmania, and the ACT. During summer (October to April), NSW, VIC, TAS, and ACT switch to Australian Eastern Daylight Time (AEDT, UTC+11:00), while Queensland remains on AEST year-round.

Best time to call between Santiago and AEST

With a +13h offset there is no overlap inside a normal 9 AM – 5 PM day. AEST opens at 9:00 AM AEST, which is 10:00 PM in Santiago, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

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

Santiago is 13 hours ahead of AEST (CLST UTC-03:00 → AEST UTC+10:00). 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

Santiago

☀ Currently in DST

Standard: UTC-04:00 · DST: UTC-03:00

Clocks fall back on Sun, Apr 4, 2027

AEST

❄ Currently in Standard Time

Standard: UTC+10:00 · DST: UTC+11:00

Clocks spring forward on Sat, Oct 3, 2026

⚠ These locations are currently in different DST states, so the time difference may change when clocks adjust.

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 Santiago and AEST?

Santiago (CLST, UTC-03:00) is 13 hours ahead of AEST (AEST, UTC+10:00). The gap is currently +13h.

How do I convert Santiago time to AEST time?

Add +13h to Santiago local time. For example, 9:00 AM in Santiago is 10:00 PM in AEST.

What time is it in AEST right now?

AEST uses AEST at UTC+10:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +13h offset from Santiago.

What is the best time to call AEST from Santiago?

There is no shared working-hours window because of the +13h gap. The closest option is 1:00 PM in Santiago, which is 2:00 AM in AEST.

Which is ahead, Santiago or AEST?

Santiago is 13 hours ahead of AEST. When it is 12:00 PM in Santiago it is 1:00 AM in AEST.

Do Santiago and AEST use different time zones?

Santiago (Chile) uses CLST at UTC-03:00, while AEST uses AEST at UTC+10:00. The IANA identifiers are America/Santiago and Australia/Sydney.

Does daylight saving time affect the Santiago–AEST difference?

Yes at the moment: Santiago is on daylight saving time and AEST is not, so the +13h gap shifts by an hour when exactly one of them changes clocks.

Which other cities share Santiago's time zone?

CLST also covers Santiago, Valparaíso, Concepción, Viña del Mar, Antofagasta.

Which countries use CLST, Santiago's zone?

CLST is used in Chile.

Is there a day difference between Santiago and AEST?

Sometimes. The +13h gap is large enough that 8:00 PM or later in Santiago already falls on the next day in AEST.

What is the time difference between Santiago and AEST?

AEST is +13h from Santiago.

What timezone is Santiago in?

Santiago operates on its local timezone.

What timezone is AEST in?

AEST operates on its local timezone.

Which countries use CLT (Chile Standard Time)?

CLT is used in Chile.

Does CLT observe daylight saving time?

Yes, CLT switches to CLST during summer months.

What are some interesting 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.