CDT Caribbean to AMST

CDT

Cuba Daylight Time

GMT -4

AMST

Amazon Summer Time

GMT -3

Time Difference

Cuba Daylight Time is 1 hours behind of Amazon Summer Time
7:30 am07:30 in CDT is 8:30 am08:30 in AMST

CDT to AMST call time
Best time for a conference call or a meeting is between 8am-5pm in CDT which corresponds to 9am-6pm in AMST

7:30 am07:30 Cuba Daylight Time (CDT). Offset UTC -4:00 hours
8:30 am08:30 Amazon Summer Time (AMST). Offset UTC -3:00 hours

7:30 am07:30 CDT / 8:30 am08:30 AMST

CDT	AMST
12am (midnight)	1am
1am	2am
2am	3am
3am	4am
4am	5am
5am	6am
6am	7am
7am	8am
8am	9am
9am	10am
10am	11am
11am	12pm (noon)
12pm (noon)	1pm
1pm	2pm
2pm	3pm
3pm	4pm
4pm	5pm
5pm	6pm
6pm	7pm
7pm	8pm
8pm	9pm
9pm	10pm
10pm	11pm
11pm	12am (midnight)
0:00	1:00
1:00	2:00
2:00	3:00
3:00	4:00
4:00	5:00
5:00	6:00
6:00	7:00
7:00	8:00
8:00	9:00
9:00	10:00
10:00	11:00
11:00	12:00
12:00	13:00
13:00	14:00
14:00	15:00
15:00	16:00
16:00	17:00
17:00	18:00
18:00	19:00
19:00	20:00
20:00	21:00
21:00	22:00
22:00	23:00
23:00	0:00

Cuba Daylight Time

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

Countries: It is used in following countries: Cuba

Principal Cities: The largest city in the CDT timezone is Havana from Cuba with population about 2.164 million people. Other major cities in the area are Santiago de Cuba, Camaguey, Holguin, Guantanamo

Daylight Saving: Cuba Daylight Time (CDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Cuba Standard Time (CST).

Start: Cuba Daylight Time (CDT) started and clocks were set one hour forward on Sunday, 14 March 2021, at 0:00 (0:00 am) local time.

End: Cuba Daylight Time (CDT) ends and clocks are set one hour back on Sunday, 07 November 2021, at 1:00 (1:00 am) local time.

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 four hour and zero minutes time differences 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
PYT - Paraguay Time
Q - Quebec Time Zone
VET - Venezuelan Standard Time
-04 -