EDT to CHADT Converter
CHADT is not used on September 18, 2026
This converter uses CHAST for Chatham Island.
Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
EDT and CHADT examples
These examples always use EDT (UTC-4) and CHADT (UTC+13:45). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
EDT is 17 hours and 45 minutes behind CHADT.
How the time difference changes
Depending on seasonal clock changes, EDT is 16 hours and 45 minutes behind CHAST, EDT is 17 hours and 45 minutes behind CHADT, or EST is 18 hours and 45 minutes behind CHADT.
Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in EDT correspond to 1:45 am (next day) to 9:45 am (next day) in CHAST, working hours of 9:00 am to 5:00 pm in EDT correspond to 2:45 am (next day) to 10:45 am (next day) in CHADT, or working hours of 9:00 am to 5:00 pm in EST correspond to 3:45 am (next day) to 11:45 am (next day) in CHADT.
Compare EDT time with CHADT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Eastern Daylight Time is 16 hours and 45 minutes behind Chatham Island Standard Time
12:00 am00:00 in EDT is 4:45 pm16:45 in CHAST
EDT to CHAST call time
Best time for a conference call or a meeting is between 4:15pm-5pm in EDT which corresponds to 9am-9:45am in CHAST (next day)
12:00 am00:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
4:45 pm16:45 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours
12:00 am00:00 EDT / 4:45 pm16:45 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 |
| 00:00 | 16:45 |
| 01:00 | 17:45 |
| 02:00 | 18:45 |
| 03:00 | 19:45 |
| 04:00 | 20:45 |
| 05:00 | 21:45 |
| 06:00 | 22:45 |
| 07:00 | 23:45 |
| 08:00 | 00:45 |
| 09:00 | 01:45 |
| 10:00 | 02:45 |
| 11:00 | 03:45 |
| 12:00 | 04:45 |
| 13:00 | 05:45 |
| 14:00 | 06:45 |
| 15:00 | 07:45 |
| 16:00 | 08:45 |
| 17:00 | 09:45 |
| 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 using this time zone: Bahamas, Canada, Haiti, Turks & Caicos Is, United States
Principal Cities: The largest city in the EDT 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, Brooklyn, Borough of Queens, Montreal.
French: HAE - Heure Avancée de l'Est
Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste
Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Eastern Standard Time (EST).
Start: Eastern Daylight Time (EDT) started on Sunday, March 8, 2026 at 2:00 am local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March
End: Eastern Daylight Time (EDT) ends on Sunday, November 1, 2026 at 2:00 am local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November
EDT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
- Quebec - Military abbreviation for EDT
- Q - short form of 'Quebec'
- 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
- 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 Daylight Time
Offset: CHADT is 13 hours and 45 minutes ahead Greenwich Mean Time (GMT) and is used in Pacific
Daylight Saving: Chatham Island Daylight Time (CHADT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Chatham Island Standard Time (CHAST).
End: Chatham Island Daylight Time (CHADT) ended on Sunday, April 5, 2026 at 3:45 am local time and clocks were set one hour back to Sunday, April 5, 2026, 2:45 am local standard time instead. Daylight saving ends annually on the first Sunday of April
Start: Chatham Island Daylight Time (CHADT) starts on Sunday, September 27, 2026 at 2:45 am local time and clocks are set one hour forward to Sunday, September 27, 2026, 3:45 am. Daylight saving starts annually on the last Sunday of September
CHADT representations, usage and related time zones
- +1345 - basic
- +13:45 - extended
- +1345 - sign character (+) followed by a four digit time providing hours (13) and minutes (45) of the offset. Indicates an offset of thirteen hours and forty-five minutes to the east of the zero meridian.