Chicago to AWST
+13hChicago
CDTSOURCEAWST
AWSTGreen rows indicate typical business hours (9 AM - 5 PM)
CDT and AWST on the World Map
The map below highlights the CDT (Central Standard Time) and AWST (Australian Western 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.
AWST – Australian Western Standard Time
UTC+08:00Australian Western Standard Time (AWST) is the time zone for Western Australia, 8 hours ahead of UTC.
- •Western Australia does not observe daylight saving time.
- •Perth is the most isolated major city in the world.
- •AWST is the same offset as China Standard Time and Singapore Time.
About Chicago
WikipediaChicago operates on Central Time (CST/CDT), 1 hour behind New York. Home to CME and CBOE, Chicago is a global center for derivatives trading.
The Chicago Board of Trade is the world's oldest futures and options exchange.
Chicago to AWST Time Difference – Complete Guide
Chicago runs on Central Daylight Time (CDT) at UTC-05:00, currently observing daylight saving time. AWST runs on Australian Western Standard Time (AWST) at UTC+08:00. That puts Chicago 13 hours ahead of AWST — a difference of +13h at the current offsets.
In practice, when it is 9:00 AM in Chicago it is 10:00 PM in AWST. Midnight in Chicago is 1:00 PM in AWST.Chicago observes daylight saving time while AWST does not, so the gap narrows or widens by an hour part of the year.
Chicago to AWST time conversion table
| Chicago (CDT) | AWST (AWST) | Day |
|---|---|---|
| 12:00 AM | 1:00 PM | same day |
| 6:00 AM | 7:00 PM | same day |
| 7:00 AM | 8:00 PM | same day |
| 8:00 AM | 9:00 PM | same day |
| 9:00 AM | 10:00 PM | same day |
| 12:00 PM | 1:00 AM | next day |
| 3:00 PM | 4:00 AM | next day |
| 5:00 PM | 6:00 AM | next day |
| 6:00 PM | 7:00 AM | next day |
| 9:00 PM | 10:00 AM | next day |
Why people convert Chicago to AWST time
- Scheduling a call from Chicago to AWST: a 10:00 AM start in Chicago lands at 11:00 PM in AWST, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +13h gap: Chicago and AWST 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 AWST is 10:00 PM in Chicago.
- Booking travel or deliveries: tracking AWST local time against Chicago keeps pickup windows and arrival estimates honest across the +13h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM CDT" is unambiguous; "3 PM" across a +13h gap is not.
- With a +13h gap there is no shared 9-to-5 window, so alternate the early start: one week Chicago takes the early slot, the next week AWST does.
- Chicago: Clocks fall back on Sun, Nov 1, 2026. Re-check this page after that date because the offset changes and so does the +13h gap.
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 AWST (Australian Western Standard Time)
Australian Western Standard Time (AWST) is used in Western Australia. WA does not observe daylight saving time, having rejected it in multiple referendums. Perth is the most remote major city in the world.
Best time to call between Chicago and AWST
With a +13h offset there is no overlap inside a normal 9 AM – 5 PM day. AWST opens at 9:00 AM AWST, which is 10:00 PM in Chicago, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Chicago and AWST have no shared working hours because of the +13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Chicago is 13 hours ahead of AWST (CDT UTC-05:00 → AWST UTC+08:00). 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
Chicago
☀ Currently in DST
Standard: UTC-06:00 · DST: UTC-05:00
Clocks fall back on Sun, Nov 1, 2026
AWST
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 Chicago and AWST?
Chicago (CDT, UTC-05:00) is 13 hours ahead of AWST (AWST, UTC+08:00). The gap is currently +13h.
How do I convert Chicago time to AWST time?
Add +13h to Chicago local time. For example, 9:00 AM in Chicago is 10:00 PM in AWST.
What time is it in AWST right now?
AWST uses AWST at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +13h offset from Chicago.
What is the best time to call AWST from Chicago?
There is no shared working-hours window because of the +13h gap. The closest option is 1:00 PM in Chicago, which is 2:00 AM in AWST.
Which is ahead, Chicago or AWST?
Chicago is 13 hours ahead of AWST. When it is 12:00 PM in Chicago it is 1:00 AM in AWST.
Do Chicago and AWST use different time zones?
Chicago (USA) uses CDT at UTC-05:00, while AWST uses AWST at UTC+08:00. The IANA identifiers are America/Chicago and Australia/Perth.
Does daylight saving time affect the Chicago–AWST difference?
Yes at the moment: Chicago is on daylight saving time and AWST is not, so the +13h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Chicago's time zone?
CDT also covers Chicago, Houston, Dallas, San Antonio, Mexico City, Austin, Winnipeg, Memphis and 6 more.
Which countries use CDT, Chicago's zone?
CDT 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 Chicago and AWST?
Sometimes. The +13h gap is large enough that 8:00 PM or later in Chicago already falls on the next day in AWST.
What is the time difference between Chicago and AWST?
AWST is +13h from Chicago.
What timezone is Chicago in?
Chicago operates on Central Time (CST/CDT), 1 hour behind New York. Home to CME and CBOE, Chicago is a global center for derivatives trading.
What timezone is AWST in?
AWST operates on its local timezone.
What are the business hours in Chicago?
Standard business hours in Chicago are 8:00 AM - 5:00 PM CST.
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 AWST timezone?
Major cities in the AWST timezone include Perth, Mandurah, Bunbury, Geraldton.
What is the UTC offset for AWST?
Australian Western Standard Time (AWST) is at UTC+08:00.
What should I know about the AWST timezone?
Western Australia does not observe daylight saving time. Perth is the most isolated major city in the world.
When is it midnight in Chicago, what time is it in AWST?
When it is 12:00 AM (midnight) in Chicago (CST), it is +13h later in AWST (AWST).
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