CST to AKST
-3hCST
CSTSOURCEAKST
AKSTGreen rows indicate typical business hours (9 AM - 5 PM)
CST and AKST on the World Map
The map below highlights the CST (Central Standard Time) and AKST (Alaska Standard Time) timezone regions across the globe.
CST – Central Standard Time
UTC-06:00Central Standard Time (CST) is the time zone for the central United States, Canada, and Mexico, 6 hours behind UTC.
- •CST covers 20 US states fully or partially.
- •Chicago and Houston are the two largest cities in the Central Time Zone.
- •Mexico City, one of the world's most populous cities, operates on CST.
- •CST is 1 hour behind EST and 2 hours ahead of PST.
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.
CST to AKST Time Difference – Complete Guide
CST runs on Central Standard Time (CST) at UTC-06:00. AKST runs on Alaska Standard Time (AKST) at UTC-09:00. That puts CST 3 hours behind AKST — a difference of -3h at the current offsets.
In practice, when it is 9:00 AM in CST it is 6:00 AM in AKST. Midnight in CST is 9:00 PM in AKST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
CST to AKST time conversion table
| CST (CST) | AKST (AKST) | Day |
|---|---|---|
| 12:00 AM | 9:00 PM | previous day |
| 6:00 AM | 3:00 AM | same day |
| 7:00 AM | 4:00 AM | same day |
| 8:00 AM | 5:00 AM | same day |
| 9:00 AM | 6:00 AM | same day |
| 12:00 PM | 9:00 AM | same day |
| 3:00 PM | 12:00 PM | same day |
| 5:00 PM | 2:00 PM | same day |
| 6:00 PM | 3:00 PM | same day |
| 9:00 PM | 6:00 PM | same day |
Why people convert CST to AKST time
- Scheduling a call from CST to AKST: a 10:00 AM start in CST lands at 7:00 AM in AKST, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both CST and AKST are inside the 9-to-5 working day between 12:00 PM and 5:00 PM CST time (9:00 AM–2:00 PM AKST). That is roughly 5 hours of usable overlap.
- Coordinating a CST-based team with AKST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- Always state the zone abbreviation, not just the hour. "3:00 PM CST" is unambiguous; "3 PM" across a -3h gap is not.
- Block 12:00 PM–5:00 PM CST as the recurring meeting window if you work primarily from CST and need AKST colleagues present.
About CST (Central Standard Time)
Central Standard Time (CST) covers the central region of North America. It is the second most populous time zone in the US, including major cities like Chicago, Houston, and Dallas. CST is also used in Mexico City and much of Central America including Guatemala, Honduras, El Salvador, and Costa Rica. During summer, most of the US and Canada switch to Central Daylight Time (CDT, UTC-05:00), while Mexico and Central American countries generally remain on CST.
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 CST and AKST
Both CST and AKST sit inside the 9 AM – 5 PM working day between 12:00 PM–5:00 PM CST, which is 9:00 AM–2:00 PM AKST. That gives roughly 5 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
CST and AKST share 5 hours of working-hours overlap (12:00 PM–5:00 PM CST), so scheduling a live meeting is straightforward.
CST is 3 hours behind AKST (CST UTC-06:00 → AKST UTC-09:00). The shared working window is 12:00 PM–5:00 PM CST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
CST
☀ Currently in DST
Standard: UTC-06:00 · DST: UTC-05:00
Clocks fall back on Sun, Nov 1, 2026
AKST
☀ 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:
Frequently Asked Questions
What is the time difference between CST and AKST?
CST (CST, UTC-06:00) is 3 hours behind AKST (AKST, UTC-09:00). The gap is currently -3h.
How do I convert CST time to AKST time?
Add -3h to CST local time. For example, 9:00 AM in CST is 6:00 AM in AKST.
What time is it in AKST right now?
AKST uses AKST at UTC-09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -3h offset from CST.
What is the best time to call AKST from CST?
Call between 12:00 PM and 5:00 PM CST — that maps to 9:00 AM–2:00 PM AKST and keeps both parties inside the working day.
Which is behind, CST or AKST?
CST is 3 hours behind AKST. When it is 12:00 PM in CST it is 9:00 AM in AKST.
Does daylight saving time affect the CST–AKST difference?
Neither zone observes daylight saving time, so the -3h offset between CST and AKST is fixed all year.
Which other cities share CST's time zone?
CST also covers Chicago, Houston, Dallas, San Antonio, Mexico City, Austin, Winnipeg, Memphis and 6 more.
Which countries use CST, CST's zone?
CST is used in United States (Central), Canada (Manitoba, Saskatchewan), Mexico, Guatemala, Honduras, El Salvador, Costa Rica, Nicaragua and 1 more.
Is there a day difference between CST and AKST?
Not normally. The -3h gap only pushes the date over the previous day.
What is the time difference between CST and AKST?
AKST is -3h from CST.
What timezone is CST in?
CST operates on its local timezone.
What timezone is AKST in?
AKST operates on its local timezone.
Which countries use CST (Central Standard Time)?
CST is used in United States (Central), Canada (Manitoba, Saskatchewan), Mexico, Guatemala, Honduras, El Salvador, and 3 more countries.
Does CST observe daylight saving time?
Yes, CST switches to CDT during summer months.
What are some interesting facts about CST?
CST covers 20 US states fully or partially. Chicago and Houston are the two largest cities in the Central Time Zone.
Which cities are in the AKST timezone?
Major cities in the AKST timezone include Anchorage, Fairbanks, Juneau, Sitka, Wasilla.
What is the UTC offset for AKST?
Alaska Standard Time (AKST) is at UTC-09:00. During daylight saving time, it shifts to AKDT.
What should I know about the AKST timezone?
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.
When is it midnight in CST, what time is it in AKST?
When it is 12:00 AM (midnight) in CST (CST), it is -3h later in AKST (AKST).
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