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CST to NZDT Converter

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CDT/CST
Central Daylight Time
GMT -5
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CST is not used on this date
This converter uses CDT (GMT -5), the offset Chicago uses on this date. Open the CDT converter.
NZDT
New Zealand Daylight Time
GMT +13
tomorrow
12am
3am
6am
9am
12pm
3pm
6pm
9pm
NZDT is not used on this date
This converter keeps NZDT at GMT +13. Auckland uses NZST (GMT +12) on this date. Open the NZST converter, or choose Auckland, Christchurch, or Wellington for city-specific time.

Quick answers

Selected conversion

The selected date and time will appear here when the converter loads.

CST and NZDT examples

These examples always use CST (UTC-6) and NZDT (UTC+13). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

CST is 19 hours behind NZDT.

CST uses UTC-6 during standard time. For Central Time that follows daylight saving time, use CT to NZDT. For daylight-time examples, use CDT to NZDT.

How the time difference changes

For most of the year, CDT is 18 hours behind NZDT. At other times of the year, CST is 19 hours behind NZDT.

For most of the year, working hours of 9:00 am to 5:00 pm in CDT correspond to 3:00 am (next day) to 11:00 am (next day) in NZDT. At other times of the year, working hours of 9:00 am to 5:00 pm in CST correspond to 4:00 am (next day) to 12:00 pm (next day) in NZDT.

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

Time Difference

Central Daylight Time is 18 hours behind New Zealand Daylight Time
7:30 pm19:30 in CDT is 1:30 pm13:30 in NZDT

CDT to NZDT call time
Best time for a conference call or a meeting is between 3pm-5pm in CDT which corresponds to 9am-11am in NZDT (next day)

7:30 pm19:30 Central Daylight Time (CDT). Offset UTC -5:00 hours
1:30 pm13:30 New Zealand Daylight Time (NZDT). Offset UTC +13:00 hours

7:30 pm19:30 CDT / 1:30 pm13:30 NZDT

CDTNZDT
12am (midnight)6pm
1am7pm
2am8pm
3am9pm
4am10pm
5am11pm
6am12am (midnight)
7am1am
8am2am
9am3am
10am4am
11am5am
12pm (noon)6am
1pm7am
2pm8am
3pm9am
4pm10am
5pm11am
6pm12pm (noon)
7pm1pm
8pm2pm
9pm3pm
10pm4pm
11pm5pm
00:0018:00
01:0019:00
02:0020:00
03:0021:00
04:0022:00
05:0023:00
06:0000:00
07:0001:00
08:0002:00
09:0003:00
10:0004:00
11:0005:00
12:0006:00
13:0007:00
14:0008:00
15:0009:00
16:0010:00
17:0011:00
18:0012:00
19:0013:00
20:0014:00
21:0015:00
22:0016:00
23:0017:00

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

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 Iztapalapa, Ecatepec, Puebla, Guadalajara.

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 forward for one hour from 2am to 3amEnd: Central Standard Time (CST) ended on Sunday, March 8, 2026 at 2:00 am local time and clocks were 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.

Daylight saving time clock moves back for one hour from 2am to 1amStart: Central Standard Time (CST) starts on Sunday, November 1, 2026 at 2:00 am local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am. Standard time starts annually on the first Sunday of November.

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

New Zealand Daylight Time

Offset: NZDT is 13 hours ahead Greenwich Mean Time (GMT) and is used in Pacific

Countries using this time zone: Antarctica, New Zealand

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

NZDT Time Zone Geo Map
NZDT timezone map

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

Daylight saving time clock moves forward for one hour from 3am to 4amEnd: New Zealand Daylight Time (NZDT) ended on Sunday, April 5, 2026 at 3:00 am local time and clocks were set one hour back to Sunday, April 5, 2026, 2:00 am local standard time instead. Daylight saving ends annually on the first Sunday of April

Daylight saving time clock moves back for one hour from 2am to 1amStart: New Zealand Daylight Time (NZDT) starts on Sunday, September 27, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, September 27, 2026, 3:00 am. Daylight saving starts annually on the last Sunday of September

NZDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +13 - basic short
  • +1300 - basic
  • +13:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates an offset of thirteen hours to the east of the zero meridian.
IANA/Olson: Reflects NZDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/McMurdo
  • Antarctica/South_Pole
  • NZ
  • Pacific/Auckland
Time zones with the GMT +13 offset:
  • FJST - Fiji Summer Time
  • NZDT - New Zealand Daylight Time
  • PHOT - Phoenix Island Time
  • TKT - Tokelau Time
  • TOT - Tonga Time
  • WST - West Samoa Time
  • WSST - West Samoa Standard Time
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT