AKST to Indonesia
+16hAKST
AKSTSOURCEIndonesia
WIBGreen rows indicate typical business hours (9 AM - 5 PM)
AKST and WIB on the World Map
The map below highlights the AKST (Alaska Standard Time) and WIB (Western Indonesia Time) timezone regions across the globe.
AKST – Alaska Standard Time
UTC-09:00Alaska Standard Time (AKST) is the time zone for the state of Alaska, 9 hours behind UTC.
- •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.
WIB – Western Indonesia Time
UTC+07:00Western Indonesia Time (WIB, UTC+07:00) covers Java, Sumatra and West Kalimantan, including Jakarta.
- •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.
Comparing Time Zones: AKST and Indonesia
AKST runs on Alaska Standard Time (AKST) at UTC-09:00. Indonesia runs on Western Indonesia Time (WIB) at UTC+07:00. That puts AKST 16 hours ahead of Indonesia — a difference of +16h at the current offsets.
In practice, when it is 9:00 AM in AKST it is 1:00 AM in Indonesia on the next day. Midnight in AKST is 4:00 PM in Indonesia. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AKST to Indonesia time conversion table
| AKST (AKST) | Indonesia (WIB) | Day |
|---|---|---|
| 12:00 AM | 4:00 PM | same day |
| 6:00 AM | 10:00 PM | same day |
| 7:00 AM | 11:00 PM | same day |
| 8:00 AM | 12:00 AM | next day |
| 9:00 AM | 1:00 AM | next day |
| 12:00 PM | 4:00 AM | next day |
| 3:00 PM | 7:00 AM | next day |
| 5:00 PM | 9:00 AM | next day |
| 6:00 PM | 10:00 AM | next day |
| 9:00 PM | 1:00 PM | next day |
Why people convert AKST to Indonesia time
- Scheduling a call from AKST to Indonesia: a 10:00 AM start in AKST lands at 2:00 AM in Indonesia the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +16h gap: AKST and Indonesia 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 Indonesia is 1:00 AM in AKST.
- Booking travel or deliveries: tracking Indonesia local time against AKST keeps pickup windows and arrival estimates honest across the +16h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM AKST" is unambiguous; "3 PM" across a +16h gap is not.
- With a +16h gap there is no shared 9-to-5 window, so alternate the early start: one week AKST takes the early slot, the next week Indonesia does.
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 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.
Best time to call between AKST and Indonesia
With a +16h offset there is no overlap inside a normal 9 AM – 5 PM day. Indonesia opens at 9:00 AM WIB, which is 1:00 AM in AKST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
AKST and Indonesia have no shared working hours because of the +16h gap. Teams need to alternate early starts or rely on asynchronous handovers.
AKST is 16 hours ahead of Indonesia (AKST UTC-09:00 → WIB UTC+07:00). 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
AKST
☀ Currently in DST
Standard: UTC-09:00 · DST: UTC-08:00
Clocks fall back on Sun, Nov 1, 2026
Indonesia
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:
Frequently Asked Questions
What is the time difference between AKST and Indonesia?
AKST (AKST, UTC-09:00) is 16 hours ahead of Indonesia (WIB, UTC+07:00). The gap is currently +16h.
How do I convert AKST time to Indonesia time?
Add +16h to AKST local time. For example, 9:00 AM in AKST is 1:00 AM in Indonesia (next day).
What time is it in Indonesia right now?
Indonesia uses WIB at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +16h offset from AKST.
What is the best time to call Indonesia from AKST?
There is no shared working-hours window because of the +16h gap. The closest option is 1:00 PM in AKST, which is 5:00 AM in Indonesia.
Which is ahead, AKST or Indonesia?
AKST is 16 hours ahead of Indonesia. When it is 12:00 PM in AKST it is 4:00 AM in Indonesia.
Do AKST and Indonesia use different time zones?
AKST uses AKST at UTC-09:00, while Indonesia (Indonesia) uses WIB at UTC+07:00. The IANA identifiers are America/Anchorage and Asia/Jakarta.
Does daylight saving time affect the AKST–Indonesia difference?
Neither zone observes daylight saving time, so the +16h offset between AKST and Indonesia is fixed all year.
Which other cities share AKST's time zone?
AKST also covers Anchorage, Fairbanks, Juneau, Sitka, Wasilla.
Which countries use AKST, AKST's zone?
AKST is used in United States (Alaska).
Is there a day difference between AKST and Indonesia?
Sometimes. The +16h gap is large enough that 8:00 PM or later in AKST already falls on the next day in Indonesia.
What is the time difference between AKST and Indonesia?
Indonesia is +16h from AKST.
What timezone is AKST in?
AKST operates on its local timezone.
What timezone is Indonesia in?
Indonesia operates on its local timezone.
Which countries use AKST (Alaska Standard Time)?
AKST is used in United States (Alaska).
Does AKST observe daylight saving time?
Yes, AKST switches to AKDT during summer months.
What are some interesting 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.
Which cities are in the WIB timezone?
Major cities in the WIB timezone include Jakarta, Surabaya, Bandung, Medan, Palembang.
What is the UTC offset for WIB?
Western Indonesia Time (WIB) is at UTC+07:00.
What should I know about the WIB timezone?
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.
When is it midnight in AKST, what time is it in Indonesia?
When it is 12:00 AM (midnight) in AKST (AKST), it is +16h later in Indonesia (WIB).
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