Updating current time…
MART
Marquesas Time
GMT -9:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EDT
Eastern Daylight Time
GMT -4
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

2:30 am02:30 MART (UTC-9:30), Oct 10, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 10, 2026

MART is 5 hours and 30 minutes behind EDT.

MART and EDT examples

These examples always use MART (UTC-9:30) and EDT (UTC-4). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

MART is 5 hours and 30 minutes behind EDT.

How the time difference changes

For most of the year, MART is 5 hours and 30 minutes behind EDT. At other times of the year, MART is 4 hours and 30 minutes behind EST.

For most of the year, working hours of 9:00 am to 5:00 pm in MART correspond to 2:30 pm to 10:30 pm in EDT. At other times of the year, working hours of 9:00 am to 5:00 pm in MART correspond to 1:30 pm to 9:30 pm in EST.For most of the year, working hours of 09:00 to 17:00 in MART correspond to 14:30 to 22:30 in EDT. At other times of the year, working hours of 09:00 to 17:00 in MART correspond to 13:30 to 21:30 in EST.

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

Time Difference

Marquesas Time is 5 hours and 30 minutes behind Eastern Daylight Time.
2:30 am02:30 in MART is 8:00 am08:00 in EDT

MART to EDT call time
Best time for a conference call or a meeting is between 9am-11:30am09:00-11:30 in MART which corresponds to 2:30pm-5pm14:30-17:00 in EDT

2:30 am02:30 Marquesas Time (MART). Offset UTC -9:30 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours

2:30 am02:30 MART / 8:00 am08:00 EDT

MARTEDT
12:00am5:30am
1:00am6:30am
2:00am7:30am
3:00am8:30am
4:00am9:30am
5:00am10:30am
6:00am11:30am
7:00am12:30pm
8:00am1:30pm
9:00am2:30pm
10:00am3:30pm
11:00am4:30pm
12:00pm5:30pm
1:00pm6:30pm
2:00pm7:30pm
3:00pm8:30pm
4:00pm9:30pm
5:00pm10:30pm
6:00pm11:30pm
7:00pm12:30am
8:00pm1:30am
9:00pm2:30am
10:00pm3:30am
11:00pm4:30am
00:0005:30
01:0006:30
02:0007:30
03:0008:30
04:0009:30
05:0010:30
06:0011:30
07:0012:30
08:0013:30
09:0014:30
10:0015:30
11:0016:30
12:0017:30
13:0018:30
14:0019:30
15:0020:30
16:0021:30
17:0022:30
18:0023:30
19:0000:30
20:0001:30
21:0002:30
22:0003:30
23:0004:30

Marquesas Time

Offset: MART is 9 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in Pacific

Countries using this time zone: French Polynesia

Daylight Saving: Clocks in Marquesas Time (MART) do not change for daylight saving time, so MART stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

MART Time Zone Geo Map
MART timezone map

MART representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -0930 - basic
  • -09:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0930 - sign character (-) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates an offset of nine hours and thirty minutes to the west of the zero meridian.

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

EDT Time Zone Geo Map
EDT timezone map

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).

Daylight saving time clock moves forward for one hourStart: Eastern Daylight Time (EDT) started 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. Daylight saving starts annually on the second Sunday of March.

Daylight saving time clock moves back for one hourEnd: Eastern Daylight Time (EDT) ends 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 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See upcoming clock changes worldwide.

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 an offset of four hours 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