Crystal Brook to EST Time Converter

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Crystal Brook
AustraliaACDT
UTC+10:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EDT/EST
Eastern Daylight Time
UTC−4
14h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Eastern Time is on daylight saving time: EDT (UTC−4) until Sun, Nov 1.
Use EST all year (UTC−5)

Quick answers

Selected conversion

10:30 pm22:30 ACDT (UTC+10:30), Oct 29, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 29, 2026

Crystal Brook is 14 hours and 30 minutes ahead of EDT.

How the time difference changes

Depending on seasonal clock changes, Crystal Brook is 13 hours and 30 minutes ahead of EDT, Crystal Brook is 14 hours and 30 minutes ahead of EDT, or Crystal Brook is 15 hours and 30 minutes ahead of EST.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in Crystal Brook correspond to 7:30 pm (previous day) to 4:30 am in EDT, working hours of 9:00 am to 6:00 pm in Crystal Brook correspond to 6:30 pm (previous day) to 3:30 am in EDT, or working hours of 9:00 am to 6:00 pm in Crystal Brook correspond to 5:30 pm (previous day) to 2:30 am in EST.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in Crystal Brook correspond to 19:30 (previous day) to 04:30 in EDT, working hours of 09:00 to 18:00 in Crystal Brook correspond to 18:30 (previous day) to 03:30 in EDT, or working hours of 09:00 to 18:00 in Crystal Brook correspond to 17:30 (previous day) to 02:30 in EST.

Compare Crystal Brook time with EST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

ACDT (Australian Central Daylight Time) is 14 hours and 30 minutes ahead of Eastern Daylight Time.
10:30 pm22:30 in Crystal Brook, Australia is 8:00 am08:00 in EDT

Crystal Brook to EDT call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in Crystal Brook which corresponds to 6pm-7pm18:00-19:00 in EDT (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

10:30 pm22:30 ACDT (Australian Central Daylight Time) (Crystal Brook, Australia). Offset UTC +10:30 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours

10:30 pm22:30 Crystal Brook, Australia / 8:00 am08:00 EDT

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Hourly time comparison
Crystal Brook, AustraliaEDT
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Crystal Brook Time Zone and Facts

Time Zone

Abbreviation / Offset
ACDT – Australian Central Daylight Time, UTC+10:30 (now, daylight saving time)
ACST – Australian Central Standard Time, UTC+9:30 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, April 4, 2027 at 3:00 amSunday, April 4, 2027 at 03:00: clocks go back 1 hour to 2:00 am02:00 (ACST). DST ends on the 1st Sunday of April each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, October 3, 2027 at 2:00 amSunday, October 3, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (ACDT). DST starts on the 1st Sunday of October each year. Also called Spring Forward or Summer Time.
Clock Changes
Australia daylight saving time · Clock changes worldwide

Crystal Brook Facts

Country
Australia
Population
1,508
Currency
Dollar (AUD)
Geographic Coordinates
33° 21' S Latitude / 138° 12' E Longitude
International Dialing Code
+61
More About Crystal Brook
Crystal Brook local time and city facts

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States

Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

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

Today the lighter areas are on UTC−4 (EDT).

Open the world time zone map© OpenStreetMap

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

123456789101112End: Eastern Standard Time (EST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

123456789101112Start: Eastern Standard Time (EST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

EST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Atikokan
  • America/Cancun
  • America/Cayman
  • America/Coral_Harbour
  • America/Detroit
  • America/Fort_Wayne
  • America/Grand_Turk
  • America/Indiana/Indianapolis
  • America/Indiana/Marengo
  • America/Indiana/Petersburg
  • America/Indiana/Vevay
  • America/Indiana/Vincennes
  • America/Indiana/Winamac
  • America/Indianapolis
  • America/Iqaluit
  • America/Jamaica
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Panama
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST
  • EST5EDT
  • Jamaica
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone