AMT to CST Caribbean
Time Difference
Amazon Time is 1 hour ahead of Central Daylight Time
5:30 am05:30 in AMT is 4:30 am04:30 in CDT
AMT to CST call time
Best time for a conference call or a meeting is between 9am-6pm in AMT which corresponds to 8am-5pm in CST
5:30 am05:30 Amazon Time (AMT). Offset UTC -4:00 hours
4:30 am04:30 Central Daylight Time (CDT). Offset UTC -5:00 hours
5:30 am05:30 AMT / 4:30 am04:30 CDT
AMT | CDT |
---|---|
12am (midnight) | 11pm |
1am | 12am (midnight) |
2am | 1am |
3am | 2am |
4am | 3am |
5am | 4am |
6am | 5am |
7am | 6am |
8am | 7am |
9am | 8am |
10am | 9am |
11am | 10am |
12pm (noon) | 11am |
1pm | 12pm (noon) |
2pm | 1pm |
3pm | 2pm |
4pm | 3pm |
5pm | 4pm |
6pm | 5pm |
7pm | 6pm |
8pm | 7pm |
9pm | 8pm |
10pm | 9pm |
11pm | 10pm |
0:00 | 23:00 |
1:00 | 0:00 |
2:00 | 1:00 |
3:00 | 2:00 |
4:00 | 3:00 |
5:00 | 4:00 |
6:00 | 5:00 |
7:00 | 6:00 |
8:00 | 7:00 |
9:00 | 8:00 |
10:00 | 9:00 |
11:00 | 10:00 |
12:00 | 11:00 |
13:00 | 12:00 |
14:00 | 13:00 |
15:00 | 14:00 |
16:00 | 15:00 |
17:00 | 16:00 |
18:00 | 17:00 |
19:00 | 18:00 |
20:00 | 19:00 |
21:00 | 20:00 |
22:00 | 21:00 |
23:00 | 22:00 |
Amazon Time
Offset: AMT is 4 hours behind Greenwich Mean Time (GMT) and is used in South America

AMT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the west of the zero meridian.
- Quebec - Military abbreviation for AMT
- Q - short form of 'Quebec'
- Armenia Time - UTC +4
- Amazon Time - UTC -4
- 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
Cuba Standard Time
Offset: CST is 5 hours behind Greenwich Mean Time (GMT) and is used in Caribbean
Countries: It is used in following countries: Canada, Cuba, Mexico, United States
Principal Cities: The largest city in the CST timezone is Chicago from USA with population about 2.696 million people. Other major cities in the area are Havana, Houston, Ciudad Juarez, San Antonio

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central Daylight Time (CDT).
End: Cuba Standard Time (CST) has ended on Sunday, March 9, 2025 at 12:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 1:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Cuba Standard Time (CST) starts on Sunday, November 2, 2025 at 1:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 12:00 am. Standard time starts annually the on first Sunday of November.
CST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.
- Romeo - Military abbreviation for CST
- R - short form of 'Romeo'
- America/Havana
- Cuba
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- Colombia Standard Time - UTC -5
- 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