CST
Central Standard Time
GMT -6
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Vietnam
ICT
12am
3am
6am
9am
12pm
3pm
6pm
9pm

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

Time Difference

Central Standard Time is 13 hours behind ICT (Indochina Time)
6:00 am06:00 in CST is 7:00 pm19:00 in Hanoi, Vietnam

CST to Hanoi call time
Best time for a conference call or a meeting is between 6pm-7pm in CST which corresponds to 7am-8am in Hanoi (next day)

6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
7:00 pm19:00 ICT (Indochina Time) (Hanoi, Vietnam). Offset UTC +7:00 hours

6:00 am06:00 CST / 7:00 pm19:00 Hanoi, Vietnam

CSTHanoi, Vietnam
12am (midnight)1pm
1am2pm
2am3pm
3am4pm
4am5pm
5am6pm
6am7pm
7am8pm
8am9pm
9am10pm
10am11pm
11am12am (midnight)
12pm (noon)1am
1pm2am
2pm3am
3pm4am
4pm5am
5pm6am
6pm7am
7pm8am
8pm9am
9pm10am
10pm11am
11pm12pm (noon)
00:0013:00
01:0014:00
02:0015:00
03:0016:00
04:0017:00
05:0018:00
06:0019:00
07:0020:00
08:0021:00
09:0022:00
10:0023:00
11:0000:00
12:0001:00
13:0002:00
14:0003:00
15:0004:00
16:0005:00
17:0006:00
18:0007:00
19:0008:00
20:0009:00
21:0010:00
22:0011:00
23:0012:00

Central Standard Time

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

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

Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Iztapalapa, Ecatepec.

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

CST Time Zone Geo Map
CST timezone map

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).

Daylight saving time clock moves back for one hour from 2am to 1amStart: Central Standard Time (CST) started 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. Standard time starts annually on the first Sunday of November.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Central Standard Time (CST) ends 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 local daylight time instead. Standard time ends annually on the second Sunday of March.

CST 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 CST
  • S - short form of 'Sierra'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Bahia_Banderas
  • America/Belize
  • America/Chicago
  • America/Chihuahua
  • America/Costa_Rica
  • America/El_Salvador
  • America/Guatemala
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Managua
  • 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/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Regina
  • America/Resolute
  • America/Swift_Current
  • America/Tegucigalpa
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • Canada/Saskatchewan
  • Mexico/General
  • US/Central
  • US/Indiana-Starke
CST Abbreviation: Several time zones share CST abbreviation and it could refer to these time zones
  • Central Standard Time - UTC -6
  • China Standard Time - UTC +8
  • Cuba Standard Time - UTC -5
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

Hanoi Information

Time Zone

Abbreviation / Name
ICT - Indochina Time
UTC / GMT Offset
+7:00 hours during Indochina Time, currently in use.

Hanoi Facts

Country
Vietnam
Alternative Names
Anoi, Anoy, Anòy, HAN, Ha Noi, Ha Nui, Hanoi, Hanoj, Hanoja, Hanojo, Hanojus, Hanoy, Hanoí, Hanoï, Hanòi, Hanói, Ho-nui-su, Hà Nội, Hò-nui-sṳ, Keicho, Khanoj, hano'i, hanoi, hanoy, hanwy, hanxy, he nei, he nei shi, hyanaya, khanwy, Ανόι, Ханой, Ханој, Հանոյ, האנוי, خانوي, هانوى, هانوي, هانوی, ھانۆی, ہنوئی, हनोई, হ্যানয়, ਹਨੋਈ, ହାନୋଇ, ஹனோய், ಹಾನೊಯ್, හැනෝයි, ฮานอย, ཧེ་ནོ།, ဟနွိုင်းမြို့, ჰანოი, ሀኖይ, ទីក្រុងហានូយ, Ḥanoi, ハノイ, 河內, 河內市, 하노이
Population
1,431,270
Currency
Dong (VND)
Geographic Coordinates
21° 01' N Latitude / 105° 50' E Longitude
International Dialing Code
+84