AWST to CDT
-13hAWST
AWSTSOURCECDT
CDTGreen rows indicate typical business hours (9 AM - 5 PM)
AWST and CDT on the World Map
The map below highlights the AWST (Australian Western Standard Time) and CDT (Central Daylight Time) timezone regions across the globe.
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.
CDT – Central Daylight Time
UTC-05:00Central Daylight Time (CDT) is the daylight saving offset in the Central Time Zone, 5 hours behind UTC.
- •CDT is the same offset as EST (UTC-05:00), which can cause confusion.
- •CDT runs from the second Sunday in March to the first Sunday in November.
Time Conversion Guide: AWST to CDT
AWST runs on Australian Western Standard Time (AWST) at UTC+08:00. CDT runs on Central Daylight Time (CDT) at UTC-05:00. That puts AWST 13 hours behind CDT — a difference of -13h at the current offsets.
In practice, when it is 9:00 AM in AWST it is 8:00 PM in CDT on the previous day. Midnight in AWST is 11:00 AM in CDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
AWST to CDT time conversion table
| AWST (AWST) | CDT (CDT) | Day |
|---|---|---|
| 12:00 AM | 11:00 AM | previous day |
| 6:00 AM | 5:00 PM | previous day |
| 7:00 AM | 6:00 PM | previous day |
| 8:00 AM | 7:00 PM | previous day |
| 9:00 AM | 8:00 PM | previous day |
| 12:00 PM | 11:00 PM | previous day |
| 3:00 PM | 2:00 AM | same day |
| 5:00 PM | 4:00 AM | same day |
| 6:00 PM | 5:00 AM | same day |
| 9:00 PM | 8:00 AM | same day |
Why people convert AWST to CDT time
- Scheduling a call from AWST to CDT: a 10:00 AM start in AWST lands at 9:00 PM in CDT the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -13h gap: AWST and CDT 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 CDT is 8:00 PM in AWST.
- Keeping family and friends in sync: knowing that 8:00 PM in AWST is 7:00 AM in CDT makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM AWST" 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 AWST takes the early slot, the next week CDT does.
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.
About CDT (Central Daylight Time)
Central Daylight Time (CDT) is observed during summer months in the US and Canadian portions of the Central Time Zone. Clocks are moved forward by one hour, aligning with Eastern Standard Time (EST). Most of Mexico and Central America do not observe CDT, staying on CST year-round.
Best time to call between AWST and CDT
With a -13h offset there is no overlap inside a normal 9 AM – 5 PM day. CDT opens at 9:00 AM CDT, which is 8:00 PM in AWST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
AWST and CDT have no shared working hours because of the -13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
AWST is 13 hours behind CDT (AWST UTC+08:00 → CDT UTC-05:00). 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
AWST
Does not observe DST
CDT
☀ Currently in DST
Standard: UTC-06:00 · DST: UTC-05:00
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 AWST and CDT?
AWST (AWST, UTC+08:00) is 13 hours behind CDT (CDT, UTC-05:00). The gap is currently -13h.
How do I convert AWST time to CDT time?
Add -13h to AWST local time. For example, 9:00 AM in AWST is 8:00 PM in CDT (previous day).
What time is it in CDT right now?
CDT uses CDT at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -13h offset from AWST.
What is the best time to call CDT from AWST?
There is no shared working-hours window because of the -13h gap. The closest option is 1:00 PM in AWST, which is 12:00 AM in CDT.
Which is behind, AWST or CDT?
AWST is 13 hours behind CDT. When it is 12:00 PM in AWST it is 11:00 PM in CDT.
Does daylight saving time affect the AWST–CDT difference?
Neither zone observes daylight saving time, so the -13h offset between AWST and CDT is fixed all year.
Which other cities share AWST's time zone?
AWST also covers Perth, Mandurah, Bunbury, Geraldton.
Which countries use AWST, AWST's zone?
AWST is used in Australia (Western Australia).
Is there a day difference between AWST and CDT?
Sometimes. The -13h gap is large enough that 8:00 PM or later in AWST already falls on the in CDT.
What is the time difference between AWST and CDT?
CDT is -13h from AWST.
What timezone is AWST in?
AWST operates on its local timezone.
What timezone is CDT in?
CDT operates on its local timezone.
Which countries use AWST (Australian Western Standard Time)?
AWST is used in Australia (Western Australia).
Does AWST observe daylight saving time?
No, AWST does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about AWST?
Western Australia does not observe daylight saving time. Perth is the most isolated major city in the world.
Which cities are in the CDT timezone?
Major cities in the CDT timezone include Chicago, Houston, Dallas, Austin, Winnipeg, Nashville.
What is the UTC offset for CDT?
Central Daylight Time (CDT) is at UTC-05:00. During daylight saving time, it shifts to CST.
What should I know about the CDT timezone?
CDT is the same offset as EST (UTC-05:00), which can cause confusion. CDT runs from the second Sunday in March to the first Sunday in November.
When is it midnight in AWST, what time is it in CDT?
When it is 12:00 AM (midnight) in AWST (AWST), it is -13h later in CDT (CDT).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More AWST time conversions
- awst to perth
- awst to new york
- awst to london
- awst to dubai
- awst to tokyo
- awst to singapore
- awst to sydney
- awst to los angeles
- awst to paris
- awst to delhi
- awst to mumbai
- awst to berlin
- awst to hong kong
- awst to toronto
- awst to kathmandu
- new york to awst
- london to awst
- dubai to awst
- tokyo to awst
- singapore to awst
- sydney to awst
- los angeles to awst
- paris to awst
- delhi to awst
- mumbai to awst
- berlin to awst
- hong kong to awst
- toronto to awst
- kathmandu to awst
See every conversion from AWST →·See every conversion from CDT →