CDT to MDT Converter

CST/CDT

Central Standard Time

GMT -6

CDT automatically adjusted to CST 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

Central Standard Time is 1 hour ahead of Mountain Standard Time
1:00 am01:00 in CST is 12:00 am00:00 in MST

CDT to MDT call time
Best time for a conference call or a meeting is between 9am-6pm in CDT which corresponds to 8am-5pm in MDT

1:00 am01:00 Central Standard Time (CST). Offset UTC -6:00 hours
12:00 am00:00 Mountain Standard Time (MST). Offset UTC -7:00 hours

1:00 am01:00 CST / 12:00 am00:00 MST

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

Central Daylight Time

Offset: CDT is 5 hours behind Greenwich Mean Time (GMT) and is used in North America

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

Principal Cities: The largest city in the CDT timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Havana, Houston, Iztapalapa

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

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

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

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

CDT Time Zone Geo Map — CDT timezone map

CDT 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 CDT
R - short form of 'Romeo'

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

America/Bahia_Banderas
America/Chicago
America/Indiana/Knox
America/Indiana/Tell_City
America/Knox_IN
America/Matamoros
America/Menominee
America/Merida
America/Mexico_City
America/Monterrey
America/North_Dakota/Beulah
America/North_Dakota/Center
America/North_Dakota/New_Salem
America/Rainy_River
America/Rankin_Inlet
America/Resolute
America/Winnipeg
CST6CDT
Canada/Central
Mexico/General
US/Central
US/Indiana-Starke

CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones

Central Daylight Time - UTC -5
Cuba Daylight Time - UTC -4

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
-05 -

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 -