EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
AEST
Australian Eastern Standard Time
GMT +10
Australia
AEST
Texas, USA
CDT

Time Difference

Eastern Daylight Time is 14 hours behind Australian Eastern Standard Time and 14 hours behind AEST (Australian Eastern Standard Time) and 1 hour ahead of CDT (Central Daylight Time)
8:30 am08:30 in EDT is 10:30 pm22:30 in AEST and is 10:30 pm22:30 in Hobart, Australia and is 7:30 am07:30 in Houston, TX, USA

EST to AEST call time
Best time for a conference call or a meeting is between 5:30am-7:30am in EST which corresponds to 8:30pm-10:30pm in AEST
EST to Hobart call time
Best time for a conference call or a meeting is between 5:30am-7:30am in EST which corresponds to 8:30pm-10:30pm in Hobart
EST to Houston call time
Best time for a conference call or a meeting is between 8am-6pm in EST which corresponds to 8am-6pm in Houston

8:30 am08:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
10:30 pm22:30 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
10:30 pm22:30 AEST (Australian Eastern Standard Time) (Hobart, Australia). Offset UTC +10:00 hours
7:30 am07:30 CDT (Central Daylight Time) (Houston, TX, USA). Offset UTC -5:00 hours

8:30 am08:30 EDT / 10:30 pm22:30 AEST / 10:30 pm22:30 Hobart, Australia / 7:30 am07:30 Houston, TX, USA

EDT AEST Hobart, Australia Houston, TX, USA
12am (midnight) 2pm 2pm 11pm
1am 3pm 3pm 12am (midnight)
2am 4pm 4pm 1am
3am 5pm 5pm 2am
4am 6pm 6pm 3am
5am 7pm 7pm 4am
6am 8pm 8pm 5am
7am 9pm 9pm 6am
8am 10pm 10pm 7am
9am 11pm 11pm 8am
10am 12am (midnight) 12am (midnight) 9am
11am 1am 1am 10am
12pm (noon) 2am 2am 11am
1pm 3am 3am 12pm (noon)
2pm 4am 4am 1pm
3pm 5am 5am 2pm
4pm 6am 6am 3pm
5pm 7am 7am 4pm
6pm 8am 8am 5pm
7pm 9am 9am 6pm
8pm 10am 10am 7pm
9pm 11am 11am 8pm
10pm 12pm (noon) 12pm (noon) 9pm
11pm 1pm 1pm 10pm
0:00 14:00 14:00 23:00
1:00 15:00 15:00 0:00
2:00 16:00 16:00 1:00
3:00 17:00 17:00 2:00
4:00 18:00 18:00 3:00
5:00 19:00 19:00 4:00
6:00 20:00 20:00 5:00
7:00 21:00 21:00 6:00
8:00 22:00 22:00 7:00
9:00 23:00 23:00 8:00
10:00 0:00 0:00 9:00
11:00 1:00 1:00 10:00
12:00 2:00 2:00 11:00
13:00 3:00 3:00 12:00
14:00 4:00 4:00 13:00
15:00 5:00 5:00 14:00
16:00 6:00 6:00 15:00
17:00 7:00 7:00 16:00
18:00 8:00 8:00 17:00
19:00 9:00 9:00 18:00
20:00 10:00 10:00 19:00
21:00 11:00 11:00 20:00
22:00 12:00 12:00 21:00
23:00 13:00 13:00 22:00

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States

Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens

French: HNE - Heure Normale de l'Est

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

EST Time Zone Geo Map
EST timezone map

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Eastern Standard Time (EST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.

Daylight saving time clock moves back for one hour from 2am to 1amStart: Eastern Standard Time (EST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.

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 five hour and zero minutes time differences 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

Australian Eastern Standard Time

Offset: AEST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Australia

Countries: It is used in following countries: Australia

Principal Cities: The largest city in the AEST timezone is Sydney from Australia with population about 4.627 million people. Other major cities in the area are Melbourne, Brisbane, Gold Coast, Canberra

AEST Time Zone Geo Map
AEST timezone map

Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Eastern Daylight Time (AEDT).

Daylight saving time clock moves back for one hour from 3am to 2amStart: Australian Eastern Standard Time (AEST) started on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am. Standard time starts annually the on first Sunday of April.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Australian Eastern Standard Time (AEST) ends on Sunday, October 5, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.

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 ten hour and zero minutes time differences 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

Hobart Information

Time Zone

Abbreviation / Name
AEST - Australian Eastern Standard Time
AEDT - Australian Eastern Daylight Time
UTC / GMT Offset
+10:00 hours during Australian Eastern Standard Time, currently in use.
+11:00 hours during Australian Eastern Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, October 5, 2025 at 2:00 am local time. DST starts annually the on first Sunday of October. Clocks are turned forward 1 hour to Sunday, October 5, 2025, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 3am to 2am Sunday, April 6, 2025 at 3:00 am local time. DST ends annually the on first Sunday of April. Clocks are turned backward 1 hour to Sunday, April 6, 2025, 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Hobart Facts

Country
Australia
Alternative Names
Chompart, Gobart, HBA, Hobart, Hobart Town, Hobarta, Hobartas, Hobarto, Hobat, Hobārta, Khobart, Khoubart, he ba te, hobarata, hobart, hobarta, hobateu, hobato, hopart, huo ba te, hwbart, Χόμπαρτ, Гобарт, Хобарт, Хоубарт, הובארט, هوبارت, ہابرٹ, ہوبارٹ, होबार्ट, ਹੋਬਾਰਟ, ହୋବାର୍ଟ, ஹோபார்ட், හෝබාර්ට්, โฮบาร์ต, ཧོ་སྦར་ཐེ།, ჰობარტი, ホバート, 荷巴特, 霍巴特, 호바트
Population
216,656
Currency
Dollar (AUD)
Geographic Coordinates
42° 52' S Latitude / 147° 19' E Longitude
International Dialing Code
+61

Houston Information

Time Zone

Abbreviation / Name
CDT - Central Daylight Time
UTC / GMT Offset
-5:00 hours during Central Daylight Time, currently in use.

Houston Facts

Country
USA
State
Texas
Alternative Names
Chiouston, HOU, Hiu-su-tun, Hiustonas, Hiû-sṳ̂-tûn, Hjuston, Hjustona, Hjūstona, Houston, Houston City, Hustonia, Hyuston, Kh'juston, Khjustn, Khjustan, Khjuston, hi'ustana, hiustʼoni, hiws tan, hiyustan, hou si dun, husatana, hyuseuteon, hyustan, hyustana, hyusuton, hywstn, hywstwn, xiu si dun, ywstwn, Χιούστον, Хьюстон, Хюстан, Хюстон, Хюстън, Хјустон, Հյուստոն, היוסטן, יוסטון, هيوستن, هیوستون, ھیووستن, ہywsٹn, ہیوسٹن, ह्युस्टन, হিউস্টন, ਹੂਸਟਨ, હ્યુસ્ટન, ஹியூஸ்டன், హ్యూస్టన్, ഹ്യൂസ്റ്റൺ, ฮิวสตัน, ဟူစတန်မြို့, ჰიუსტონი, ሂውስተን, ヒューストン, 休斯敦, 休斯頓, 侯斯頓, 휴스턴
Population
2,296,224
Currency
Dollar (USD)
Geographic Coordinates
29° 45' N Latitude / 95° 21' W Longitude
International Dialing Code
+1