AWST to CST Converter & Meeting Planner
Quick answer: 9:00 AM AWST = 7:00 PM CST (fixed +08:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Australian Western Standard Time (AWST) and Central Standard Time (CST)? You need to account for the standard time difference. Central Standard Time is normally 14 hours behind Australian Western Standard Time. Whether you are coordinating between teams in Perth and Bunbury and Chicago and Dallas, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM AWST = 10:00 AM CST. The full 24-hour AWST to CST table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM AWST = 1:00 AM CST.
| AWST Time | CST Time |
|---|---|
| 12:00 AM (00:00) | 10:00 AM (10:00)-1 day |
| 1:00 AM (01:00) | 11:00 AM (11:00)-1 day |
| 2:00 AM (02:00) | 12:00 PM (12:00)-1 day |
| 3:00 AM (03:00) | 1:00 PM (13:00)-1 day |
| 4:00 AM (04:00) | 2:00 PM (14:00)-1 day |
| 5:00 AM (05:00) | 3:00 PM (15:00)-1 day |
| 6:00 AM (06:00) | 4:00 PM (16:00)-1 day |
| 7:00 AM (07:00) | 5:00 PM (17:00)-1 day |
| 8:00 AM (08:00) | 6:00 PM (18:00)-1 day |
| 9:00 AM (09:00) | 7:00 PM (19:00)-1 day |
| 10:00 AM (10:00) | 8:00 PM (20:00)-1 day |
| 11:00 AM (11:00) | 9:00 PM (21:00)-1 day |
| 12:00 PM (12:00) | 10:00 PM (22:00)-1 day |
| 1:00 PM (13:00) | 11:00 PM (23:00)-1 day |
| 2:00 PM (14:00) | 12:00 AM (00:00) |
| 3:00 PM (15:00) | 1:00 AM (01:00) |
| 4:00 PM (16:00) | 2:00 AM (02:00) |
| 5:00 PM (17:00) | 3:00 AM (03:00) |
| 6:00 PM (18:00) | 4:00 AM (04:00) |
| 7:00 PM (19:00) | 5:00 AM (05:00) |
| 8:00 PM (20:00) | 6:00 AM (06:00) |
| 9:00 PM (21:00) | 7:00 AM (07:00) |
| 10:00 PM (22:00) | 8:00 AM (08:00) |
| 11:00 PM (23:00) | 9:00 AM (09:00) |
Best time to call Chicago from Perth
For most work calls, compare the normal business day in Perth (AWST) with the business day in Chicago (CST). AWST commonly covers Oceania, Australia, while CST is mainly associated with North America, Central America.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
⚠️ There is no clean same-day business-hours overlap on 2026-07-05. A practical compromise is around 10:00 PM AWST, which reaches 9:00 AM CST near the start of their workday.
- DST Safety: AWST or CST may shift during Daylight Saving Time. Always confirm the converted time for your specific date.
- Australian Securities Exchange (ASX) - Local Perth Hours: 08:00-14:00 local time in Perth.
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Frequently Asked Questions
What is the time difference between AWST and CST?
During standard time, Central Standard Time is 14 hours behind Australian Western Standard Time.
Does Perth observe Daylight Saving Time?
Perth and the rest of Western Australia do not observe Daylight Saving Time. Western Australians have voted against DST in multiple state referendums — most recently in 2009 — and AWST remains permanently fixed at UTC+08:00 throughout the year.
Are AWST and China Standard Time the same?
AWST and China Standard Time (CST) share the exact same UTC+08:00 offset, meaning Perth and Beijing operate on an identical clock. The same applies to Singapore Time (SGT) and Malaysia Time (MYT) — all three are perfectly synchronized with AWST, eliminating offset calculations entirely for the resource and commodity trade flows that connect Perth to these major Asian markets.
Is CST the same as Central Time (CT)?
Central Time (CT) is the umbrella term for the zone, while CST and CDT refer to its two seasonal offsets. CST (UTC-6) applies during standard time from November through March, and CDT (UTC-5) applies during Daylight Saving Time from March through November.
Does Mexico City use CST?
Mexico City operates on UTC-6, the same offset as CST, but it does not observe Daylight Saving Time following Mexico's elimination of the practice under a 2022 law. This means Mexico City stays at UTC-6 year-round while US and Canadian Central Time cities shift to UTC-5 each summer.