EDT to MDT Converter

EST/EDT

Eastern Standard Time

GMT -5

EDT automatically adjusted to EST time zone, that is in use

MST/MDT

Mountain Standard Time

GMT -7

MDT automatically adjusted to MST time zone, that is in use

Time Difference

Eastern Standard Time is 2 hours ahead of Mountain Standard Time
1:30 am01:30 in EST is 11:30 pm23:30 in MST

EDT to MDT call time
Best time for a conference call or a meeting is between 10am-6pm in EDT which corresponds to 8am-4pm in MDT

1:30 am01:30 Eastern Standard Time (EST). Offset UTC -5:00 hours
11:30 pm23:30 Mountain Standard Time (MST). Offset UTC -7:00 hours

1:30 am01:30 EST / 11:30 pm23:30 MST

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

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

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

End: EDT ended and clocks were set one hour back on Sunday, 01 November 2020, at 2:00 (2:00 am) local time.

Start: EDT starts and clocks are set one hour forward on Sunday, 14 March 2021, at 2:00 (2:00 am) local time.

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

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
PYT - Paraguay Time
Q - Quebec Time Zone
VET - Venezuelan Standard Time
-04 -
EWT -

Mountain Daylight Time

Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Canada, Mexico, United States

Principal Cities: The largest city in the MDT timezone is Ciudad Juarez from Mexico with population about 1.512 million people. Other major cities in the area are Calgary, Chihuahua, Edmonton, El Paso

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer timezone, however during winter some places adjust time for one hour back and observe Mountain Standard Time (MST).

End: MDT ended and clocks were set one hour back on Sunday, 01 November 2020, at 2:00 (2:00 am) local time.

Start: MDT starts and clocks are set one hour forward on Sunday, 14 March 2021, at 2:00 (2:00 am) local time.

French: HAR - Heure Avancée des Rocheuses

Spanish: MT - Zona Pacífico

MDT Time Zone Geo Map — MDT timezone map

MDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data

-06 - basic short
-0600 - basic
-06:00 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers

-0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six 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

Sierra - Military abbreviation for MDT
S - short form of 'Sierra'

IANA/Olson: Reflects MDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems

America/Boise
America/Cambridge_Bay
America/Chihuahua
America/Denver
America/Edmonton
America/Inuvik
America/Mazatlan
America/Ojinaga
America/Shiprock
America/Yellowknife
Canada/Mountain
MST7MDT
Mexico/BajaSur
Navajo
US/Mountain

Time zones with the GMT -6 offset:

CST - Central Standard Time
CT - Central Time
MDT - Mountain Daylight Time
EAST - Easter Island Standard Time
GALT - Galapagos Time
S - Sierra Time Zone
-06 -