Updating current time…
+13:00
+13:00 GMT
GMT +13
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CDT
Central Daylight Time
GMT -5
yesterday
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

1:00 am01:00 +13:00 (UTC+13), Oct 4, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 3, 2026

+13:00 is 18 hours ahead of CDT.

+13:00 and CDT examples

These examples always use +13:00 (UTC+13) and CDT (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

+13:00 is 18 hours ahead of CDT.

How the time difference changes

For most of the year, +13:00 is 18 hours ahead of CDT. At other times of the year, +13:00 is 19 hours ahead of CST.

For most of the year, working hours of 9:00 am to 5:00 pm in +13:00 correspond to 3:00 pm (previous day) to 11:00 pm (previous day) in CDT. At other times of the year, working hours of 9:00 am to 5:00 pm in +13:00 correspond to 2:00 pm (previous day) to 10:00 pm (previous day) in CST.For most of the year, working hours of 09:00 to 17:00 in +13:00 correspond to 15:00 (previous day) to 23:00 (previous day) in CDT. At other times of the year, working hours of 09:00 to 17:00 in +13:00 correspond to 14:00 (previous day) to 22:00 (previous day) in CST.

Compare +13:00 time with CDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

+13:00 GMT is 18 hours ahead of Central Daylight Time.
1:00 am01:00 in +13:00 is 7:00 am07:00 in CDT

+13:00 to CDT call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in +13:00 which corresponds to 3pm-5pm15:00-17:00 in CDT (previous day)

1:00 am01:00 +13:00 GMT (+13:00). Offset UTC +13:00 hours
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours

1:00 am01:00 +13:00 / 7:00 am07:00 CDT

+13:00CDT
12:00am6:00am
1:00am7:00am
2:00am8:00am
3:00am9:00am
4:00am10:00am
5:00am11:00am
6:00am12:00pm
7:00am1:00pm
8:00am2:00pm
9:00am3:00pm
10:00am4:00pm
11:00am5:00pm
12:00pm6:00pm
1:00pm7:00pm
2:00pm8:00pm
3:00pm9:00pm
4:00pm10:00pm
5:00pm11:00pm
6:00pm12:00am
7:00pm1:00am
8:00pm2:00am
9:00pm3:00am
10:00pm4:00am
11:00pm5:00am
00:0006:00
01:0007:00
02:0008:00
03:0009:00
04:0010:00
05:0011:00
06:0012:00
07:0013:00
08:0014:00
09:0015:00
10:0016:00
11:0017:00
12:0018:00
13:0019:00
14:0020:00
15:0021:00
16:0022:00
17:0023:00
18:0000:00
19:0001:00
20:0002:00
21:0003:00
22:0004:00
23:0005:00

+13:00 GMT

Offset: +13:00 is 13 hours ahead Greenwich Mean Time (GMT) and is used in Etc

Daylight Saving: Clocks in +13:00 GMT (+13:00) do not change for daylight saving time, so +13:00 stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

+13:00 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.
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

Central Daylight Time

Offset: CDT is 5 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 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, Ciudad Juarez, Dallas.

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

CDT Time Zone Geo Map
CDT timezone map

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

Daylight saving time clock moves forward for one hourStart: Central Daylight Time (CDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

Daylight saving time clock moves back for one hourEnd: Central Daylight Time (CDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are 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.

See 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