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Castries to CDT Caribbean Time Converter

Updating current time…
Castries
Saint Lucia
AST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CDT
Cuba Daylight Time
GMT -4
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

8:00 am08:00 AST (UTC-4), Oct 12, 2026 = 8:00 am08:00 CDT (UTC-4), Oct 12, 2026

Castries and CDT have the same local time.

How the time difference changes

For most of the year, Castries and CDT Caribbean have the same time. At other times of the year, Castries is 1 hour ahead of CST Caribbean.

For most of the year, working hours of 9:00 am to 5:00 pm in Castries correspond to 9:00 am to 5:00 pm in CDT Caribbean. At other times of the year, working hours of 9:00 am to 5:00 pm in Castries correspond to 8:00 am to 4:00 pm in CST Caribbean.For most of the year, working hours of 09:00 to 17:00 in Castries correspond to 09:00 to 17:00 in CDT Caribbean. At other times of the year, working hours of 09:00 to 17:00 in Castries correspond to 08:00 to 16:00 in CST Caribbean.

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

Time Difference

AST (Atlantic Standard Time) and Cuba Daylight Time have the same local time.
8:00 am08:00 in Castries, Saint Lucia is 8:00 am08:00 in CDT

Castries to CDT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in Castries which corresponds to 9am-5pm09:00-17:00 in CDT

8:00 am08:00 AST (Atlantic Standard Time) (Castries, Saint Lucia). Offset UTC -4:00 hours
8:00 am08:00 Cuba Daylight Time (CDT). Offset UTC -4:00 hours

8:00 am08:00 Castries, Saint Lucia / 8:00 am08:00 CDT

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

Castries Information

Time Zone

Abbreviation / Name
AST - Atlantic Standard Time
UTC / GMT Offset
-4:00 hours during Atlantic Standard Time, currently in use.

Castries Facts

Country
Saint Lucia
Alternative Names
Castries, Kastri, Kastrijs, Kastris, Kastrizo, Kastry, Kastrys, Port Castries, ka si te li, kaeseuteuliseu, kasatarisa, kastris, kastrys, kasutorizu, kestrijha, qstryz, Κάστρις, Кастри, Кастрийс, Кастрис, Кастры, Кастрі, קסטריז, كاستريس, کاستریس, कॅस्ट्रीझ, ਕਾਸਤਰੀਸ, காஸ்ட்ரீஸ், แคสตรีส์, ཁ་སི་ཐྲིས།, კასტრი, ካስትሪስ, カストリーズ, 卡斯特里, 캐스트리스
Population
20,000
Currency
Dollar (XCD)
Geographic Coordinates
13° 59' N Latitude / 61° 00' W Longitude

Cuba Daylight Time

Offset: CDT is 4 hours behind Greenwich Mean Time (GMT) and is used in Caribbean

Countries using this time zone: Cuba

Principal Cities: The largest city in the CDT time zone is Havana in Cuba, with about 2.164 million people. Other major cities in this time zone include Santiago de Cuba, Camaguey, Holguin, Guantanamo.

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

Daylight saving time clock moves forward for one hourStart: Cuba Daylight Time (CDT) started on Sunday, March 8, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 1:00 am01:00. Daylight saving starts annually on the second Sunday of March.

Daylight saving time clock moves back for one hourEnd: Cuba Daylight Time (CDT) ends on Sunday, November 1, 2026 at 1:00 am01:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 12:00 am00:00 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
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for CDT
  • Q - short form of 'Quebec'
IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Havana
  • Cuba
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 -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • FKT - Falkland Island Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • PYT - Paraguay Time
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT