EDT
Eastern Daylight Time
GMT -4
CHAST
Chatham Island Standard Time
GMT +12:45

Time Difference

Eastern Daylight Time is 16 hours and 45 minutes behind Chatham Island Standard Time
6:30 am06:30 in EDT is 11:15 pm23:15 in CHAST

EDT to CHAST call time
Best time for a conference call or a meeting is between 4:30am-6:30am in EDT which corresponds to 9:15pm-11:15pm in CHAST

6:30 am06:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
11:15 pm23:15 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours

6:30 am06:30 EDT / 11:15 pm23:15 CHAST

EDT CHAST
12am (midnight) 4:45 pm
1am 5:45 pm
2am 6:45 pm
3am 7:45 pm
4am 8:45 pm
5am 9:45 pm
6am 10:45 pm
7am 11:45 pm
8am 12:45 am
9am 1:45 am
10am 2:45 am
11am 3:45 am
12pm (noon) 4:45 am
1pm 5:45 am
2pm 6:45 am
3pm 7:45 am
4pm 8:45 am
5pm 9:45 am
6pm 10:45 am
7pm 11:45 am
8pm 12:45 pm
9pm 1:45 pm
10pm 2:45 pm
11pm 3:45 pm
0:00 16:45
1:00 17:45
2:00 18:45
3:00 19:45
4:00 20:45
5:00 21:45
6:00 22:45
7:00 23:45
8:00 0:45
9:00 1:45
10:00 2:45
11:00 3:45
12:00 4:45
13:00 5:45
14:00 6:45
15:00 7:45
16:00 8:45
17:00 9:45
18:00 10:45
19:00 11:45
20:00 12:45
21:00 13:45
22:00 14:45
23:00 15:45

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

Chatham Island Standard Time

Offset: CHAST is 12 hours and 45 minutes ahead Greenwich Mean Time (GMT) and is used in Pacific

CHAST Time Zone Geo Map
CHAST timezone map

CHAST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1245 - basic
  • +12:45 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1245 - sign character (+) followed by a four digit time providing hours (12) and minutes (45) of the offset. Indicates twelve hour and forty-five minutes time differences to the east of the zero meridian.