EDT
Eastern Daylight Time
GMT -4
EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
NZDT/NZST
New Zealand Daylight Time
GMT +13
NZST automatically adjusted to NZDT time zone, that is in use

Time Difference

Eastern Daylight Time is 0 hours ahead of Eastern Daylight Time and 17 hours behind New Zealand Daylight Time
3:30 am03:30 in EDT is 3:30 am03:30 in EDT and is 8:30 pm20:30 in NZDT

EDT to EST call time
Best time for a conference call or a meeting is between 9am-6pm in EDT which corresponds to 8am-5pm in EST
EDT to NZST call time
Best time for a conference call or a meeting is between 5am-7am in EDT which corresponds to 9pm-11pm in NZST

3:30 am03:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
3:30 am03:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
8:30 pm20:30 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours

3:30 am03:30 EDT / 3:30 am03:30 EDT / 8:30 pm20:30 NZDT

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

Eastern Daylight Time

Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Bahamas, Canada, Haiti, Turks & Caicos Is, United States

Principal Cities: The largest city in the EDT 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: HAE - Heure Avancée de l'Est

Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste

EDT Time Zone Geo Map
EDT timezone map

Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Eastern Standard Time (EST).

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Eastern Daylight Time (EDT) started on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am. Daylight saving starts annually the on second Sunday of March

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Eastern Daylight Time (EDT) ends on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

EDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four 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
  • Quebec - Military abbreviation for EDT
  • Q - short form of 'Quebec'
IANA/Olson: Reflects EDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST5EDT
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • FKT - Falkland Island Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • PYT - Paraguay Time
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time

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 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 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 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 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

New Zealand Standard Time

Offset: NZST is 12 hours ahead Greenwich Mean Time (GMT) and is used in Pacific

Countries: It is used in following countries: Antarctica, New Zealand

Principal Cities: The largest city in the NZST timezone is Auckland from New Zealand with population about 1.535 million people. Other major cities in the area are Wellington, Christchurch, Hamilton, Tauranga

NZST Time Zone Geo Map
NZST 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 New Zealand Daylight Time (NZDT).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: New Zealand Standard Time (NZST) has ended on Sunday, September 29, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, September 29, 2024, 3:00 am local daylight time instead. Standard time ends annually the on last Sunday of September.

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

NZST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +12 - basic short
  • +1200 - basic
  • +12:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates twelve 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
  • Mike - Military abbreviation for NZST
  • M - short form of 'Mike'
IANA/Olson: Reflects NZST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/McMurdo
  • Antarctica/South_Pole
  • NZ
  • Pacific/Auckland
Time zones with the GMT +12 offset:
  • ANAST - Anadyr Summer Time
  • ANAT - Anadyr Time
  • FJT - Fiji Time
  • GILT - Gilbert Island Time
  • M - Mike Time Zone
  • MAGST - Magadan Summer Time
  • MAGT - Magadan Time
  • MHT - Marshall Islands Time
  • NRT - Nauru Time
  • NZST - New Zealand Standard Time
  • PETST - Kamchatka Summer Time
  • TVT - Tuvalu Time
  • WFT - Wallis and Futuna Time