MST/MDT
Mountain Standard Time
GMT -7
12am
3am
6am
9am
12pm
3pm
6pm
9pm
MDT is not used on this date
This converter uses MST (GMT -7), the offset Denver uses on this date. Open the MST converter.
Costa Rica
CST
12am
3am
6am
9am
12pm
3pm
6pm
9pm

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

Time Difference

Mountain Standard Time is 1 hour behind CST (Central Standard Time)
5:00 am05:00 in MST is 6:00 am06:00 in San Jose, Costa Rica

MST to San José call time
Best time for a conference call or a meeting is between 9am-4pm in MST which corresponds to 10am-5pm in San José

5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
6:00 am06:00 CST (Central Standard Time) (San Jose, Costa Rica). Offset UTC -6:00 hours

5:00 am05:00 MST / 6:00 am06:00 San Jose, Costa Rica

MSTSan Jose, Costa Rica
12am (midnight)1am
1am2am
2am3am
3am4am
4am5am
5am6am
6am7am
7am8am
8am9am
9am10am
10am11am
11am12pm (noon)
12pm (noon)1pm
1pm2pm
2pm3pm
3pm4pm
4pm5pm
5pm6pm
6pm7pm
7pm8pm
8pm9pm
9pm10pm
10pm11pm
11pm12am (midnight)
00:0001:00
01:0002:00
02:0003:00
03:0004:00
04:0005:00
05:0006:00
06:0007:00
07:0008:00
08:0009:00
09:0010:00
10:0011:00
11:0012:00
12:0013:00
13:0014:00
14:0015:00
15:0016:00
16:0017:00
17:0018:00
18:0019:00
19:0020:00
20:0021:00
21:0022:00
22:0023:00
23:0000:00

Mountain Daylight Time

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

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the MDT time zone is Calgary in Canada, with about 1.02 million people. Other major cities in this time zone include Edmonton, El Paso, Denver, Albuquerque.

French: HAR - Heure Avancée des Rocheuses

Spanish: MT - Zona Pacífico

MDT Time Zone Geo Map
MDT timezone map

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Mountain Standard Time (MST).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Mountain Daylight Time (MDT) ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November

Daylight saving time clock moves back for one hour from 2am to 1amStart: Mountain Daylight Time (MDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March

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 an offset of six hours 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/Ciudad_Juarez
  • America/Denver
  • America/Edmonton
  • America/Inuvik
  • America/Shiprock
  • America/Yellowknife
  • Canada/Mountain
  • MST7MDT
  • 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

San José Information

Time Zone

Abbreviation / Name
CST - Central Standard Time
UTC / GMT Offset
-6:00 hours during Central Standard Time, currently in use.

San José Facts

Country
Costa Rica
Alternative Names
SJO, San Chose, San Chosė, San Hose, San Jose, San Jose de Costa Rica, San Jose i Costa Rica, San José, San José de Costa Rica, San José i Costa Rica, San Joze, San Jozé, San Jusiy, San Khose, San Khoze, San Xose, San Xosé, San-Joseo, San-Khaseh, San-Khose, San-Xose, Sanhose, Sanhosē, Urbs Sancti Iosephi in Costarica, can hoce, san jwz, san khwsyh, san khwzh, san khwzے kwsٹaryka, san-khose, sana hoje, sana hose, sana hoze, sanhose, sheng he xi, sn hwsh, syana hose, Σαν Χοσέ, Сан Хозе, Сан Хосе, Сан-Хасэ, Сан-Хосе, Սան Խոսե, סאן חוסה, סן חוסה, سان جوز, سان خوزه, سان خوزے، کوسٹاریکا, سان خوسيه, سان خوسې, सान होज़े, सान होजे, স্যান হোসে, ਸਾਨ ਹੋਸੇ, சான் ஹொசே, ซันโฮเซ, སན་ཇོ་སེ།, სან-ხოსე, ሳን ሆዜ, サンホセ, 聖荷西, 산호세
Population
335,007
Currency
Colon (CRC)
Geographic Coordinates
9° 55' N Latitude / 84° 04' W Longitude
International Dialing Code
+506