Updating current time…
AEST
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9pm
Eastern Australia is on daylight saving time: AEDT (UTC+11) until Sun, Apr 4, 2027.

Queensland stays on AEST (UTC+10).

Illinois, USACDT
UTC−5
15h behind
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3am
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9pm

Quick answers

Selected conversion

10:00 pm22:00 AEST (UTC+10), Oct 14, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 14, 2026

AEST is 15 hours ahead of Park Ridge.

How the time difference changes

For most of the year, AEST is 15 hours ahead of Park Ridge. From Nov 1, 2026 to Mar 14, 2027, AEST is 16 hours ahead of Park Ridge.

For most of the year, working hours of 9:00 am to 5:00 pm in AEST correspond to 6:00 pm (previous day) to 2:00 am in Park Ridge. At other times of the year, working hours of 9:00 am to 5:00 pm in AEST correspond to 5:00 pm (previous day) to 1:00 am in Park Ridge.For most of the year, working hours of 09:00 to 17:00 in AEST correspond to 18:00 (previous day) to 02:00 in Park Ridge. At other times of the year, working hours of 09:00 to 17:00 in AEST correspond to 17:00 (previous day) to 01:00 in Park Ridge.

Compare AEST time with Park Ridge time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Australian Eastern Standard Time is 15 hours ahead of CDT (Central Daylight Time).
10:00 pm22:00 in AEST is 7:00 am07:00 in Park Ridge, IL, USA

AEST to Park Ridge call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in AEST which corresponds to 5pm-6pm17:00-18:00 in Park Ridge (previous day). Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.

10:00 pm22:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
7:00 am07:00 CDT (Central Daylight Time) (Park Ridge, IL, USA). Offset UTC -5:00 hours

10:00 pm22:00 AEST / 7:00 am07:00 Park Ridge, IL, USA

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Hourly time comparison
AESTPark Ridge, IL, USA
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Australian Eastern Standard Time

Offset: AEST is 10 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Australia

Principal Cities: The largest city in the AEST time zone is Sydney in Australia, with about 5.639 million people. Other major cities in this time zone include Melbourne, Brisbane, Gold Coast, Newcastle.

Map of the areas on Australian Eastern Standard Time (AEST)
AEST all year AEST part of the year

Today the lighter areas are on UTC+11 (AEDT).

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Australian Eastern Daylight Time (AEDT).

123456789101112End: Australian Eastern Standard Time (AEST) ended on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, October 4, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the first Sunday of October.

123456789101112Start: Australian Eastern Standard Time (AEST) starts on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00. Standard time starts annually on the first Sunday of April.

See upcoming clock changes worldwide.

Australian Eastern Standard Time (AEST) is used in Queensland, Victoria, Tasmania, New South Wales (except Broken Hill), Australian Capital Territory and in folling major cities Brisbane, Sydney, Melbourne, Hobart, Canberra

Only part of Australia observe daylight saving. It is used in New South Wales, Victoria, South Australia, Tasmania, and the Australian Capital Territory. Daylight saving is not observed in Queensland, Western Australia or the Northern Territory.

AEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +10 - basic short
  • +1000 - basic
  • +10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Kilo - Military abbreviation for AEST
  • K - short form of 'Kilo'
IANA/Olson: Reflects AEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/Macquarie
  • Australia/ACT
  • Australia/Brisbane
  • Australia/Canberra
  • Australia/Currie
  • Australia/Hobart
  • Australia/Lindeman
  • Australia/Melbourne
  • Australia/NSW
  • Australia/Queensland
  • Australia/Sydney
  • Australia/Tasmania
  • Australia/Victoria
Time zones with the GMT +10 offset:
  • AEST - Australian Eastern Standard Time
  • CHUT - Chuuk Time
  • ChST - Chamorro Standard Time
  • K - Kilo Time Zone
  • KDT - Korea Daylight Time
  • PGT - Papua New Guinea Time
  • VLAT - Vladivostok Time
  • YAKST - Yakutsk Summer Time
  • YAPT - Yap Time

Park Ridge Time Zone and Facts

Time Zone

Abbreviation / Offset
CDT – Central Daylight Time, UTC-5 (now, daylight saving time)
CST – Central Standard Time, UTC-6 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (CST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (CDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.

Park Ridge Facts

Country
USA
State
Illinois
Alternative Names
Brickton, Park Ridge, Park Ridz, Park Ritz, Park-Ridzh, Parkridge, bark rydj, Παρκ Ριτζ, Парк Риџ, Парк-Ридж, Парк-Рідж, بارك ريدج, پارک رج، الینوائے, پارک‌ریج، ایلینوی
Population
37,757
Currency
Dollar (USD)
Geographic Coordinates
42° 00' N Latitude / 87° 50' W Longitude
International Dialing Code
+1