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Use this HNC Time Converter page to check current local time, UTC and GMT offset, daylight saving details, related time zones, and popular time converter links.

Heure Normale du Centre

Offset: HNC is 6 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States

Principal Cities: The largest city in the HNC time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.

Daylight Saving: Some places on Heure Normale du Centre (HNC) keep the same time all year, while others use HNC for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.

Map of the areas on Heure Normale du Centre (HNC)
HNC all year HNC part of the year

Today the lighter areas are on UTC−5 (Central Daylight Time).

HNC 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 HNC
  • S - short form of 'Sierra'
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