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.

Jakarta to Anchorage

-15h

Jakarta

WIBSOURCE

Indonesia · UTC+07:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Anchorage

AKDT

USA · UTC-08:00☀ DST active

HH09

MM00

(previous day)21:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Jakarta

Anchorage

12:00 AM

9:00 AM-1

2:00 AM

11:00 AM-1

4:00 AM

1:00 PM-1

6:00 AM

3:00 PM-1

8:00 AM

5:00 PM-1

10:00 AM

7:00 PM-1

12:00 PM

9:00 PM-1

2:00 PM

11:00 PM-1

4:00 PM

1:00 AM

6:00 PM

3:00 AM

8:00 PM

5:00 AM

10:00 PM

7:00 AM

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

WIB and AKDT on the World Map

The map below highlights the WIB (Western Indonesia Time) and AKDT (Alaska Standard Time) timezone regions across the globe.

WIB Zone

→

AKDT Zone

Explore all world timezones interactively →

WIB – Western Indonesia Time

UTC+07:00

Western Indonesia Time (WIB, UTC+07:00) covers Java, Sumatra and West Kalimantan, including Jakarta.

Countries in WIB

Indonesia (Java, Sumatra, West Kalimantan)

Major Cities in WIB

JakartaSurabayaBandungMedanPalembang

Key Facts about WIB

•Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00).
•Indonesia has not observed daylight saving time since 1964.
•Jakarta is the largest city in Southeast Asia by population.
•WIB shares the UTC+07:00 offset with Indochina Time.

Daylight Saving:No – UTC+07:00 year-round

Learn more about WIB on Wikipedia

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

About Jakarta

Wikipedia

Jakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.

Population:10.5 million

Metro:34.5 million

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

Currency:IDR (Rp)

Stock Exchange:IDX (Indonesia Stock Exchange)

Key Landmarks

MonasIstiqlal MosqueOld Town (Kota Tua)Taman MiniAncol Dreamland

Did You Know?

Indonesia has 3 time zones; Jakarta uses Western Indonesia Time (WIB).

Learn more about WIB timezone →

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 →

Understanding the -15h Gap: Jakarta vs Anchorage

Jakarta runs on Western Indonesia Time (WIB) at UTC+07:00. Anchorage runs on Alaska Daylight Time (AKDT) at UTC-08:00, also currently on daylight saving time. That puts Jakarta 15 hours behind Anchorage — a difference of -15h at the current offsets.

In practice, when it is 9:00 AM in Jakarta it is 6:00 PM in Anchorage on the previous day. Midnight in Jakarta is 9:00 AM in Anchorage.Anchorage observes daylight saving time while Jakarta does not, so the gap narrows or widens by an hour part of the year.

Jakarta to Anchorage time conversion table

Jakarta (WIB)	Anchorage (AKDT)	Day
12:00 AM	9:00 AM	previous day
6:00 AM	3:00 PM	previous day
7:00 AM	4:00 PM	previous day
8:00 AM	5:00 PM	previous day
9:00 AM	6:00 PM	previous day
12:00 PM	9:00 PM	previous day
3:00 PM	12:00 AM	same day
5:00 PM	2:00 AM	same day
6:00 PM	3:00 AM	same day
9:00 PM	6:00 AM	same day

Why people convert Jakarta to Anchorage time

Scheduling a call from Jakarta to Anchorage: a 10:00 AM start in Jakarta lands at 7:00 PM in Anchorage the previous day, so you can confirm the slot without doing the arithmetic yourself.
Handling a -15h gap: Jakarta and Anchorage 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 Anchorage is 6:00 PM in Jakarta.
Booking travel or deliveries: tracking Anchorage local time against Jakarta keeps pickup windows and arrival estimates honest across the -15h offset.

Always state the zone abbreviation, not just the hour. "3:00 PM WIB" is unambiguous; "3 PM" across a -15h gap is not.
With a -15h gap there is no shared 9-to-5 window, so alternate the early start: one week Jakarta takes the early slot, the next week Anchorage does.
Anchorage: Clocks fall back on Sun, Nov 1, 2026. Any meeting series spanning that date will shift by an hour in local time.

About WIB (Western Indonesia Time)

Western Indonesia Time (WIB, Waktu Indonesia Barat) is one of Indonesia's three time zones, fixed at UTC+07:00 all year. It covers Java, Sumatra, West Kalimantan and the provinces around them — home to Jakarta, the country's capital and largest city, plus Surabaya and Bandung. Indonesia does not observe daylight saving time, so WIB never shifts. WIB shares its UTC+07:00 offset with Indochina Time (ICT) and Christmas Island Time, but is a distinct zone covering the western half of the Indonesian archipelago. The country's other zones are WITA (UTC+08:00) in the centre and WIT (UTC+09:00) in the east.

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).

Best time to call between Jakarta and Anchorage

With a -15h offset there is no overlap inside a normal 9 AM – 5 PM day. Anchorage opens at 9:00 AM AKDT, which is 6:00 PM in Jakarta, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

Jakarta and Anchorage have no shared working hours because of the -15h gap. Teams need to alternate early starts or rely on asynchronous handovers.

Jakarta is 15 hours behind Anchorage (WIB UTC+07:00 → AKDT UTC-08:00). 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

Jakarta

Does not observe DST

Anchorage

☀ Currently in DST

Standard: UTC-09:00 · DST: UTC-08:00

Clocks fall back on Sun, Nov 1, 2026

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 Jakarta and Anchorage?

Jakarta (WIB, UTC+07:00) is 15 hours behind Anchorage (AKDT, UTC-08:00). The gap is currently -15h.

How do I convert Jakarta time to Anchorage time?

Add -15h to Jakarta local time. For example, 9:00 AM in Jakarta is 6:00 PM in Anchorage (previous day).

What time is it in Anchorage right now?

Anchorage uses AKDT at UTC-08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -15h offset from Jakarta.

What is the best time to call Anchorage from Jakarta?

There is no shared working-hours window because of the -15h gap. The closest option is 1:00 PM in Jakarta, which is 10:00 PM in Anchorage.

Which is behind, Jakarta or Anchorage?

Jakarta is 15 hours behind Anchorage. When it is 12:00 PM in Jakarta it is 9:00 PM in Anchorage.

Do Jakarta and Anchorage use different time zones?

Jakarta (Indonesia) uses WIB at UTC+07:00, while Anchorage (USA) uses AKDT at UTC-08:00. The IANA identifiers are Asia/Jakarta and America/Anchorage.

Does daylight saving time affect the Jakarta–Anchorage difference?

Yes at the moment: Anchorage is on daylight saving time and Jakarta is not, so the -15h gap shifts by an hour when exactly one of them changes clocks.

Which other cities share Jakarta's time zone?

WIB also covers Jakarta, Surabaya, Bandung, Medan, Palembang.

Which countries use WIB, Jakarta's zone?

WIB is used in Indonesia (Java, Sumatra, West Kalimantan).

Is there a day difference between Jakarta and Anchorage?

Sometimes. The -15h gap is large enough that 8:00 PM or later in Jakarta already falls on the in Anchorage.

What is the time difference between Jakarta and Anchorage?

Anchorage is -15h from Jakarta.

What timezone is Jakarta in?

Jakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.

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 are the business hours in Jakarta?

Standard business hours in Jakarta are 8:00 AM - 5:00 PM WIB.

What are the business hours in Anchorage?

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

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

The best overlap for a call is when both cities are in business hours. Jakarta works 8:00 AM - 5:00 PM WIB and Anchorage works 8:00 AM - 5:00 PM AKST (-15h difference). Try scheduling during the overlapping window for maximum convenience.

What currencies are used in Jakarta and Anchorage?

Jakarta uses IDR (Rp) while Anchorage uses USD ($). Check current exchange rates when planning travel or business between these cities.

How do Jakarta and Anchorage compare in size?

Jakarta has a population of approximately 10.5 million (metro: 34.5 million), while Anchorage has approximately 287,000 (metro: 398,000).

What are the major landmarks in Jakarta and Anchorage?

Jakarta is known for Monas, Istiqlal Mosque, Old Town (Kota Tua). Anchorage is famous for Anchorage Museum, Tony Knowles Coastal Trail, Flattop Mountain.

Do Jakarta and Anchorage have stock exchanges?

Yes. Jakarta has the IDX (Indonesia Stock Exchange) and Anchorage has the N/A (Uses NYSE/NASDAQ). The -15h time difference affects trading hour overlaps between these exchanges.