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CST/CDT
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Central Time is on standard time: CST (UTC−6) until Sun, Mar 14, 2027.
M
UTC+12
tomorrow (next day)
18h ahead
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Quick answers

Selected conversion

9:30 am09:30 CST (UTC-6), Nov 1, 2026 = 3:30 am03:30 M (UTC+12), Nov 2, 2026

CST is 18 hours behind M.

CDT and M examples

These examples always use CDT (UTC-5) and M (UTC+12). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

CDT is 17 hours behind M.

How the time difference changes

For most of the year, CDT is 17 hours behind M. From Nov 1, 2026 to Mar 14, 2027, CST is 18 hours behind M.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 2:00 am (next day) to 11:00 am (next day) in M. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 3:00 am (next day) to 12:00 pm (next day) in M.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 02:00 (next day) to 11:00 (next day) in M. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 03:00 (next day) to 12:00 (next day) in M.

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

Time Difference

Central Standard Time is 18 hours behind Mike Time Zone.
9:30 am09:30 in CST is 3:30 am03:30 in M

CST to M call time
Best time for a conference call or a meeting is between 3pm-6pm15:00-18:00 in CST which corresponds to 9am-12pm09:00-12:00 in M (next day)

9:30 am09:30 Central Standard Time (CST). Offset UTC -6:00 hours
3:30 am03:30 Mike Time Zone (M). Offset UTC +12:00 hours

9:30 am09:30 CST / 3:30 am03:30 M

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
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Central Daylight Time

Offset: CDT is 5 hours behind Greenwich Mean Time (GMT).

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

Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.664 million people. Other major cities in this time zone include Houston, San Antonio, Dallas, Fort Worth.

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

Map of the areas on Central Daylight Time (CDT)
CDT part of the year

Today the shaded areas are on UTC−6 (Central Standard Time).

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

123456789101112End: Central Daylight Time (CDT) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were 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.

123456789101112Start: Central Daylight Time (CDT) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

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 an offset of five hours 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/Chicago
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Matamoros
  • America/Menominee
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Resolute
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • 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

Mike Time Zone

Offset: M is 12 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, Fiji, Kiribati, Marshall Islands, Nauru, New Zealand, Norfolk Island, Russia, Tuvalu, United States Minor Outlying Islands, Wallis and Futuna

Principal Cities: The largest city in the M time zone is Auckland in New Zealand, with about 1.547 million people. Other major cities in this time zone include Christchurch, Wellington, Hamilton, Petropavlovsk-Kamchatsky.

Daylight Saving: Some places on Mike Time Zone (M) keep the same time all year, while others use M for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.

Map of the areas on Mike Time Zone (M)
M all year M part of the year

Today some of the lighter areas are on UTC+13 (NZDT).

M representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +12 - basic short
  • +1200 - basic
  • +12:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates an offset of twelve hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Mike - Military abbreviation for M
  • M - short form of 'Mike'
Time zones with the GMT +12 offset:
  • ANAST - Anadyr Summer Time
  • ANAT - Anadyr Time
  • FJT - Fiji Time
  • GILT - Gilbert Island Time
  • M - Mike Time Zone
  • MAGST - Magadan Summer Time
  • MHT - Marshall Islands Time
  • NRT - Nauru Time
  • NZST - New Zealand Standard Time
  • PETT - Kamchatka Time
  • PETST - Kamchatka Summer Time
  • TVT - Tuvalu Time
  • WFT - Wallis and Futuna Time