AKST to Colombo
+14h 30mAKST
AKSTSOURCEColombo
ISTGreen rows indicate typical business hours (9 AM - 5 PM)
AKST and IST on the World Map
The map below highlights the AKST (Alaska Standard Time) and IST (India Standard 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.
IST – India Standard Time
UTC+05:30India Standard Time (IST) is the time zone for India and Sri Lanka, 5 hours and 30 minutes ahead of UTC.
- •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.
About Colombo
WikipediaColombo operates on Sri Lanka Time (SLST), UTC+5:30. Sharing India's timezone, Colombo is a key South Asian trade and tourism hub.
Sri Lanka Standard Time (SLST) uses UTC+5:30, same offset as India.
AKST vs Colombo: Offsets, DST and Best Call Times
AKST runs on Alaska Standard Time (AKST) at UTC-09:00. Colombo runs on India Standard Time (IST) at UTC+05:30. That puts AKST 14 hours 30 minutes ahead of Colombo — a difference of +14h 30m at the current offsets.
In practice, when it is 9:00 AM in AKST it is 11:30 PM in Colombo. Midnight in AKST is 2:30 PM in Colombo. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AKST to Colombo time conversion table
| AKST (AKST) | Colombo (IST) | Day |
|---|---|---|
| 12:00 AM | 2:30 PM | same day |
| 6:00 AM | 8:30 PM | same day |
| 7:00 AM | 9:30 PM | same day |
| 8:00 AM | 10:30 PM | same day |
| 9:00 AM | 11:30 PM | same day |
| 12:00 PM | 2:30 AM | next day |
| 3:00 PM | 5:30 AM | next day |
| 5:00 PM | 7:30 AM | next day |
| 6:00 PM | 8:30 AM | next day |
| 9:00 PM | 11:30 AM | next day |
Why people convert AKST to Colombo time
- Scheduling a call from AKST to Colombo: a 10:00 AM start in AKST lands at 12:30 AM in Colombo the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +14h 30m gap: AKST 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 11:30 PM in AKST.
- Watching a live event or market open: AKST viewers need 11:30 PM in Colombo to catch a 9:00 AM start there, and 9:30 AM if the event is anchored to AKST.
- Always state the zone abbreviation, not just the hour. "3:00 PM AKST" is unambiguous; "3 PM" across a +14h 30m gap is not.
- With a +14h 30m gap there is no shared 9-to-5 window, so alternate the early start: one week AKST takes the early slot, the next week Colombo 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 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 AKST and Colombo
With a +14h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. Colombo opens at 9:00 AM IST, which is 11:30 PM in AKST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
AKST and Colombo have no shared working hours because of the +14h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.
AKST is 14 hours 30 minutes ahead of Colombo (AKST UTC-09:00 → 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
AKST
☀ 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:
Frequently Asked Questions
What is the time difference between AKST and Colombo?
AKST (AKST, UTC-09:00) is 14 hours 30 minutes ahead of Colombo (IST, UTC+05:30). The gap is currently +14h 30m.
How do I convert AKST time to Colombo time?
Add +14h 30m to AKST local time. For example, 9:00 AM in AKST is 11:30 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 +14h 30m offset from AKST.
What is the best time to call Colombo from AKST?
There is no shared working-hours window because of the +14h 30m gap. The closest option is 1:00 PM in AKST, which is 3:30 AM in Colombo.
Which is ahead, AKST or Colombo?
AKST is 14 hours 30 minutes ahead of Colombo. When it is 12:00 PM in AKST it is 2:30 AM in Colombo.
Do AKST and Colombo use different time zones?
AKST uses AKST at UTC-09:00, 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 AKST–Colombo difference?
Neither zone observes daylight saving time, so the +14h 30m offset between AKST and Colombo 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 Colombo?
Sometimes. The +14h 30m gap is large enough that 8:00 PM or later in AKST already falls on the next day in Colombo.
What is the time difference between AKST and Colombo?
Colombo is +14h 30m from AKST.
What timezone is AKST in?
AKST operates on its local timezone.
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 Colombo?
Standard business hours in Colombo are 9:00 AM - 5:00 PM IST.
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 IST timezone?
Major cities in the IST timezone include Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Pune, Ahmedabad.
What is the UTC offset for IST?
India Standard Time (IST) is at UTC+05:30.
What should I know about the IST timezone?
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.
When is it midnight in AKST, what time is it in Colombo?
When it is 12:00 AM (midnight) in AKST (AKST), it is +14h 30m later in Colombo (IST).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More AKST time conversions
- akst to anchorage
- akst to new york
- akst to london
- akst to dubai
- akst to tokyo
- akst to singapore
- akst to sydney
- akst to los angeles
- akst to paris
- akst to delhi
- akst to mumbai
- akst to berlin
- akst to hong kong
- akst to toronto
- akst to kathmandu
- new york to akst
- london to akst
- dubai to akst
- tokyo to akst
- singapore to akst
- sydney to akst
- los angeles to akst
- paris to akst
- delhi to akst
- mumbai to akst
- berlin to akst
- hong kong to akst
- toronto to akst
- kathmandu to akst
See every conversion from AKST →·See every conversion from Colombo →