CDT to AKDT Converter
Convert time between Central Daylight Time (CDT) and Alaska Daylight Time (AKDT)
Central Daylight Time (CDT)
Alaska Daylight Time (AKDT)
Time Difference
Alaska Daylight Time (AKDT) is 0 hours ahead of Central Daylight Time (CDT)
Select Date
Select Time
Quick Reference
| CDT | AKDT |
|---|---|
| 21:00 | 18:00 |
| 23:00 | 20:00 |
| 01:00 | 22:00 |
| 03:00 | 00:00 |
| 05:00 | 02:00 |
| 07:00 | 04:00 |
| 09:00 | 06:00 |
| 11:00 | 08:00 |
| 13:00 | 10:00 |
| 15:00 | 12:00 |
| 17:00 | 14:00 |
| 19:00 | 16:00 |
Top 10 Most Common Time Zones
| Abbreviation | Full Name | UTC Offset | Typical Use |
|---|---|---|---|
| UTC | Coordinated Universal Time | UTC ±0 | Global reference standard (servers, logs, APIs) |
| EST / EDT | Eastern (US) Time | UTC −5 / −4 | New York, Toronto — North American business hub |
| CST / CDT | Central (US) Time | UTC −6 / −5 | Chicago, Dallas — US central business region |
| PST / PDT | Pacific (US) Time | UTC −8 / −7 | San Francisco, Los Angeles — tech industry standard |
| GMT / BST | Greenwich Mean / British Summer Time | UTC 0 / +1 | UK, used globally as a reference with UTC |
| CET / CEST | Central European (Summer) Time | UTC +1 / +2 | Paris, Berlin, Amsterdam — EU business core |
| IST | India Standard Time | UTC +5:30 | India — major IT & outsourcing region |
| CST | China Standard Time | UTC +8 | Beijing, Shanghai — East Asia business hub |
| JST | Japan Standard Time | UTC +9 | Tokyo — finance & tech hub |
| AEST / AEDT | Australian Eastern (Daylight) Time | UTC +10 / +11 | Sydney, Melbourne — APAC regional business |
Why Time Zone Abbreviations Are Ambiguous
Unlike standardized identifiers (like America/New_York or Europe/London from the IANA tz database), abbreviations such as "CST" or "IST" are not globally unique. They can refer to different time zones depending on context — country, region, or even time of year (due to daylight saving time).
Common Ambiguous Time Zone Abbreviations
| Abbrev. | Common Meaning(s) | UTC Offset | Region(s) |
|---|---|---|---|
| CST | Central Standard Time / China Standard Time / Cuba Standard Time | UTC−6 / UTC+8 / UTC−5 | North America, China, Cuba |
| IST | Indian Standard Time / Irish Standard Time / Israel Standard Time | UTC+5:30 / UTC+1 / UTC+2 | India, Ireland, Israel |
| AST | Atlantic Standard Time / Arabia Standard Time | UTC−4 / UTC+3 | Caribbean, Canada, Middle East |
| PST | Pacific Standard Time / Philippine Standard Time | UTC−8 / UTC+8 | North America, Philippines |
| EST | Eastern Standard Time (North America / Australia) | UTC−5 / UTC+10 | North America, Australia |
✅ Best Practice
To avoid ambiguity, always:
- Use IANA tz identifiers — e.g.,
America/New_Yorkinstead of "EST" - Specify UTC offset explicitly — e.g.,
UTC−5when abbreviations must be used - Include the full timezone name — e.g., "Eastern Standard Time (EST)" with UTC offset
About CDT to AKDT Time Conversion
Converting time between Central Daylight Time (CDT) and Alaska Daylight Time (AKDT) bridges Chicago, Houston, Dallas, and the rest of the US Central time zone with Anchorage and Fairbanks. CDT is UTC-5 while AKDT is UTC-8, placing AKDT 3 hours behind CDT.
This converter uses the IANA timezone database to ensure accurate calculations. Both regions follow the US daylight saving schedule — second Sunday in March to first Sunday in November — so the 3-hour offset is consistent throughout the DST window.
Common Use Cases for CDT to AKDT Conversion
Business & Work
- Scheduling meetings between Central US teams and Alaska-based partners
- Coordinating energy industry projects between Texas and Alaska
- Planning conference calls between Chicago, Houston, or Dallas and Anchorage
Personal & Travel
- Planning travel itineraries between the US Central region and Alaska
- Coordinating with family and friends in Alaska from the Central US
- Scheduling virtual events for CDT and AKDT audiences
Time Zone Information
Central Daylight Time (CDT)
- UTC Offset: UTC-5 (UTC-6 during CST)
- IANA Timezone: America/Chicago
- Daylight Saving: Second Sunday in March to First Sunday in November
- Major Cities: Chicago, Houston, Dallas, San Antonio, Austin, Minneapolis, New Orleans
- Coverage: Central United States and parts of Canada during daylight saving period
Alaska Daylight Time (AKDT)
- UTC Offset: UTC-8
- IANA Timezone: America/Anchorage
- Daylight Saving: Second Sunday in March to First Sunday in November
- Major Cities: Anchorage, Fairbanks, Juneau, Sitka
- Coverage: Most of Alaska during daylight saving period
Quick Reference: CDT to AKDT
Remember: AKDT is always 3 hours behind CDT during overlapping daylight saving periods
Frequently Asked Questions
What is the time difference between CDT and AKDT?
Central Daylight Time (CDT) is UTC-5, while Alaska Daylight Time (AKDT) is UTC-8. AKDT is 3 hours behind CDT. When it is 12:00 PM in Chicago, it is 9:00 AM in Anchorage.
When does this CDT to AKDT conversion apply?
Both regions follow the US daylight saving schedule, from the second Sunday in March to the first Sunday in November. The 3-hour offset is consistent throughout the entire DST window.
How does the time difference change throughout the year?
When DST ends (first Sunday in November), Alaska switches to AKST (UTC-9) and the Central US switches to CST (UTC-6). The 3-hour offset is preserved year-round because both transition on the same dates.
What are the best times for CDT-AKDT business calls?
Noon in Chicago (12:00 PM CDT) is 9:00 AM in Anchorage — a strong overlap window. Late morning to early afternoon CDT (10:00 AM–3:00 PM) maps to early to mid-morning in Alaska (7:00 AM–12:00 PM). Most of the working day overlaps cleanly.
Which countries/regions use AKDT timezone?
AKDT covers most of Alaska during daylight saving, including Anchorage, Fairbanks, Juneau, and Sitka. The Aleutian Islands use Hawaii-Aleutian Time and follow a different rule set.
Which countries/regions use CDT timezone?
CDT is observed in the Central United States and parts of Canada during daylight saving. Major cities include Chicago, Houston, Dallas, San Antonio, Austin, Minneapolis, and New Orleans.
Pro Tips
- • AKDT is 3 hours behind CDT — subtract 3 hours from a Chicago time to get the Anchorage time.
- • Both regions transition to/from DST on the same dates, so the 3-hour offset is stable throughout the DST window.
- • Best meeting window: 12:00–5:00 PM CDT overlaps with 9:00 AM–2:00 PM AKDT — most of both regions' core working hours.
- • When DST ends in November, the offset stays at 3 hours (CST-AKST = UTC-6 vs UTC-9).
- • Use IANA identifiers (America/Chicago and America/Anchorage) in calendar tools to handle DST transitions automatically.
- • For real-time collaboration, CDT afternoons sync nicely with AKDT mornings — perfect for cross-region standups.