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.

Anchorage to Colombo

+13h 30m

Anchorage

AKDTSOURCE

USA · UTC-08:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Colombo

IST

Sri Lanka · UTC+05:30

HH01

MM30

(next day)01:30 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Anchorage

Colombo

12:00 AM

1:30 PM

2:00 AM

3:30 PM

4:00 AM

5:30 PM

6:00 AM

7:30 PM

8:00 AM

9:30 PM

10:00 AM

11:30 PM

12:00 PM

1:30 AM+1

2:00 PM

3:30 AM+1

4:00 PM

5:30 AM+1

6:00 PM

7:30 AM+1

8:00 PM

9:30 AM+1

10:00 PM

11:30 AM+1

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

AKDT and IST on the World Map

The map below highlights the AKDT (Alaska Standard Time) and IST (India Standard Time) timezone regions across the globe.

AKDT Zone

→

IST Zone

Explore all world timezones interactively →

AKST – Alaska Standard Time

UTC-09:00

Alaska Standard Time (AKST) is the time zone for the state of Alaska, 9 hours behind UTC.

Countries in AKST

United States (Alaska)

Major Cities in AKST

AnchorageFairbanksJuneauSitkaWasilla

Key Facts about AKST

•Alaska is the largest US state by area but has only about 730,000 residents.
•Anchorage is the most populous city in AKST with about 290,000 people.
•The Aleutian Islands use HAST instead of AKST.

Daylight Saving:Yes – switches to AKDT

Learn more about AKST on Wikipedia

IST – India Standard Time

UTC+05:30

India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.

Countries in IST

IndiaSri Lanka

Major Cities in IST

MumbaiDelhiBangaloreKolkataChennaiHyderabadPuneAhmedabadColomboJaipurLucknowSurat

Key Facts about IST

•India is 10 hours 30 minutes ahead of EST and 5 hours 30 minutes ahead of GMT.
•India uses a single time zone despite spanning 30° of longitude.
•IST is one of only a handful of time zones with a 30-minute offset.
•IST is the most populous single time zone in the world with over 1.4 billion people.
•The Bombay Stock Exchange (BSE) and National Stock Exchange (NSE) operate on IST.

Daylight Saving:No – UTC+05:30 year-round

Learn more about IST on Wikipedia

About Anchorage

Wikipedia

Anchorage operates on Alaska Time (AKST/AKDT), UTC-9. As a global air cargo hub, Anchorage connects Asian and American markets via polar routes.

Population:287,000

Metro:398,000

Business Hours:8:00 AM - 5:00 PM AKST

Currency:USD ($)

Key Landmarks

Anchorage MuseumTony Knowles Coastal TrailFlattop MountainAlaska Wildlife Conservation CenterShip Creek

Did You Know?

Moose occasionally wander through the city streets.

Learn more about AKDT timezone →

About Colombo

Wikipedia

Colombo operates on Sri Lanka Time (SLST), UTC+5:30. Sharing India's timezone, Colombo is a key South Asian trade and tourism hub.

Population:752,000

Metro:5.6 million

Business Hours:9:00 AM - 5:00 PM IST

Currency:LKR (Rs)

Stock Exchange:CSE (Colombo Stock Exchange)

Key Landmarks

Galle Face GreenGangaramaya TempleColombo Lotus TowerIndependence SquareDutch Hospital

Did You Know?

Sri Lanka Standard Time (SLST) uses UTC+5:30, same offset as India.

Learn more about IST timezone →

Comparing Time Zones: Anchorage and Colombo

Anchorage runs on Alaska Daylight Time (AKDT) at UTC-08:00, currently observing daylight saving time. Colombo runs on India Standard Time (IST) at UTC+05:30. That puts Anchorage 13 hours 30 minutes ahead of Colombo — a difference of +13h 30m at the current offsets.

In practice, when it is 9:00 AM in Anchorage it is 10:30 PM in Colombo. Midnight in Anchorage is 1:30 PM in Colombo.Anchorage observes daylight saving time while Colombo does not, so the gap narrows or widens by an hour part of the year.

Anchorage to Colombo time conversion table

Anchorage (AKDT)	Colombo (IST)	Day
12:00 AM	1:30 PM	same day
6:00 AM	7:30 PM	same day
7:00 AM	8:30 PM	same day
8:00 AM	9:30 PM	same day
9:00 AM	10:30 PM	same day
12:00 PM	1:30 AM	next day
3:00 PM	4:30 AM	next day
5:00 PM	6:30 AM	next day
6:00 PM	7:30 AM	next day
9:00 PM	10:30 AM	next day

Why people convert Anchorage to Colombo time

Scheduling a call from Anchorage to Colombo: a 10:00 AM start in Anchorage lands at 11:30 PM in Colombo, so you can confirm the slot without doing the arithmetic yourself.
Handling a +13h 30m gap: Anchorage and Colombo 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 Colombo is 10:30 PM in Anchorage.
Booking travel or deliveries: tracking Colombo local time against Anchorage keeps pickup windows and arrival estimates honest across the +13h 30m offset.

Always state the zone abbreviation, not just the hour. "3:00 PM AKDT" is unambiguous; "3 PM" across a +13h 30m gap is not.
With a +13h 30m gap there is no shared 9-to-5 window, so alternate the early start: one week Anchorage takes the early slot, the next week Colombo does.
Anchorage: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +13h 30m gap.

About AKST (Alaska Standard Time)

Alaska Standard Time (AKST) is used in nearly all of Alaska. Due to Alaska's vast geographic size, the Aleutian Islands use Hawaii-Aleutian Standard Time instead. During summer months, Alaska switches to Alaska Daylight Time (AKDT, UTC-08:00).

About IST (India Standard Time)

India Standard Time (IST) is the time observed throughout India and Sri Lanka. It is based on the 82.5°E meridian, passing through Mirzapur in Uttar Pradesh. India uses a single time zone despite spanning roughly 30° of longitude, which has been debated. IST does not observe daylight saving time. India is the world's most populous country, making IST one of the most-used time zones globally. The IT outsourcing industry and call centers operate primarily on IST, making the EST-to-IST conversion one of the most searched timezone conversions.

Best time to call between Anchorage and Colombo

With a +13h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. Colombo opens at 9:00 AM IST, which is 10:30 PM in Anchorage, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

Anchorage and Colombo have no shared working hours because of the +13h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.

Anchorage is 13 hours 30 minutes ahead of Colombo (AKDT UTC-08:00 → IST UTC+05:30). 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

Anchorage

☀ Currently in DST

Standard: UTC-09:00 · DST: UTC-08:00

Clocks fall back on Sun, Nov 1, 2026

Colombo

Does not observe DST

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 Anchorage and Colombo?

Anchorage (AKDT, UTC-08:00) is 13 hours 30 minutes ahead of Colombo (IST, UTC+05:30). The gap is currently +13h 30m.

How do I convert Anchorage time to Colombo time?

Add +13h 30m to Anchorage local time. For example, 9:00 AM in Anchorage is 10:30 PM in Colombo.

What time is it in Colombo right now?

Colombo uses IST at UTC+05:30. Use the live converter at the top of this page — it updates in real time and already accounts for the +13h 30m offset from Anchorage.

What is the best time to call Colombo from Anchorage?

There is no shared working-hours window because of the +13h 30m gap. The closest option is 1:00 PM in Anchorage, which is 2:30 AM in Colombo.

Which is ahead, Anchorage or Colombo?

Anchorage is 13 hours 30 minutes ahead of Colombo. When it is 12:00 PM in Anchorage it is 1:30 AM in Colombo.

Do Anchorage and Colombo use different time zones?

Anchorage (USA) uses AKDT at UTC-08:00, while Colombo (Sri Lanka) uses IST at UTC+05:30. The IANA identifiers are America/Anchorage and Asia/Colombo.

Does daylight saving time affect the Anchorage–Colombo difference?

Yes at the moment: Anchorage is on daylight saving time and Colombo is not, so the +13h 30m gap shifts by an hour when exactly one of them changes clocks.

Which other cities share Anchorage's time zone?

AKDT also covers Anchorage, Fairbanks, Juneau, Sitka, Wasilla.

Which countries use AKDT, Anchorage's zone?

AKDT is used in United States (Alaska).

Is there a day difference between Anchorage and Colombo?

Sometimes. The +13h 30m gap is large enough that 8:00 PM or later in Anchorage already falls on the next day in Colombo.

What is the time difference between Anchorage and Colombo?

Colombo is +13h 30m from Anchorage.

What timezone is Anchorage in?

Anchorage operates on Alaska Time (AKST/AKDT), UTC-9. As a global air cargo hub, Anchorage connects Asian and American markets via polar routes.

What timezone is Colombo in?

Colombo operates on Sri Lanka Time (SLST), UTC+5:30. Sharing India's timezone, Colombo is a key South Asian trade and tourism hub.

What are the business hours in Anchorage?

Standard business hours in Anchorage are 8:00 AM - 5:00 PM AKST.

What are the business hours in Colombo?

Standard business hours in Colombo are 9:00 AM - 5:00 PM IST.

What is the best time to schedule a call between Anchorage and Colombo?

The best overlap for a call is when both cities are in business hours. Anchorage works 8:00 AM - 5:00 PM AKST and Colombo works 9:00 AM - 5:00 PM IST (+13h 30m difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Anchorage and Colombo?

Anchorage uses USD ($) while Colombo uses LKR (Rs). Check current exchange rates when planning travel or business between these cities.

How do Anchorage and Colombo compare in size?

Anchorage has a population of approximately 287,000 (metro: 398,000), while Colombo has approximately 752,000 (metro: 5.6 million).

What are the major landmarks in Anchorage and Colombo?

Anchorage is known for Anchorage Museum, Tony Knowles Coastal Trail, Flattop Mountain. Colombo is famous for Galle Face Green, Gangaramaya Temple, Colombo Lotus Tower.

Do Anchorage and Colombo have stock exchanges?

Yes. Anchorage has the N/A (Uses NYSE/NASDAQ) and Colombo has the CSE (Colombo Stock Exchange). The +13h 30m time difference affects trading hour overlaps between these exchanges.