AKDT to CDT Converter
Convert time between Alaska Daylight Time (AKDT) and Central Daylight Time (CDT)
Alaska Daylight Time (AKDT)
Central Daylight Time (CDT)
Time Difference
Central Daylight Time (CDT) is 0 hours ahead of Alaska Daylight Time (AKDT)
Select Date
Select Time
Quick Reference
| AKDT | CDT |
|---|---|
| 18:00 | 21:00 |
| 20:00 | 23:00 |
| 22:00 | 01:00 |
| 00:00 | 03:00 |
| 02:00 | 05:00 |
| 04:00 | 07:00 |
| 06:00 | 09:00 |
| 08:00 | 11:00 |
| 10:00 | 13:00 |
| 12:00 | 15:00 |
| 14:00 | 17:00 |
| 16:00 | 19:00 |
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 AKDT to CDT Time Conversion
Converting time between Alaska Daylight Time (AKDT) and Central Daylight Time (CDT) bridges Anchorage and Fairbanks with Chicago, Houston, Dallas, and the rest of the US Central time zone. AKDT is UTC-8 while CDT is UTC-5, placing CDT 3 hours ahead of AKDT.
This converter uses the IANA timezone database to ensure accurate calculations through DST transitions. 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. Use this converter for scheduling meetings, planning travel, and coordinating across these regions.
Common Use Cases for AKDT to CDT Conversion
Business & Work
- Scheduling meetings between Alaska-based teams and Central US partners
- Coordinating energy industry projects between Alaska and Texas
- Planning conference calls between Anchorage and Chicago, Houston, or Dallas
Personal & Travel
- Planning travel itineraries between Alaska and the US Central region
- Coordinating with family and friends in the Central US time zone
- Scheduling virtual events for AKDT and CDT audiences
Time Zone Information
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
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
Quick Reference: AKDT to CDT
Remember: CDT is always 3 hours ahead of AKDT during overlapping daylight saving periods
Frequently Asked Questions
What is the time difference between AKDT and CDT?
Alaska Daylight Time (AKDT) is UTC-8, while Central Daylight Time (CDT) is UTC-5. CDT is 3 hours ahead of AKDT. When it is 12:00 PM in Anchorage, it is 3:00 PM in Chicago.
When does this AKDT to CDT 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 AKDT-CDT business calls?
Morning in Anchorage (9:00 AM AKDT) is noon in Chicago — a strong overlap window. Late morning in Anchorage (10:00–11:00 AM AKDT) maps to early afternoon in the Central US (1:00–2:00 PM CDT). Most of the working day overlaps cleanly.
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. Mexico no longer follows US DST in most regions.
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.
Pro Tips
- • CDT is 3 hours ahead of AKDT — add 3 hours to an Anchorage time to get the Chicago 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: 9:00 AM–2:00 PM AKDT overlaps with 12:00–5:00 PM CDT — most of both regions' core working hours.
- • When DST ends in November, the offset stays at 3 hours (AKST-CST = UTC-9 vs UTC-6).
- • Use IANA identifiers (America/Anchorage and America/Chicago) in calendar tools to handle DST transitions automatically.
- • For real-time collaboration, AKDT mornings sync nicely with CDT afternoons — perfect for cross-region standups.