GMT
GMT-01:00
GMT -1
CDT
Cuba Daylight Time
GMT -4

Time Difference

GMT-01:00 is 3 hours ahead of Cuba Daylight Time
1:30 am01:30 in GMT is 10:30 pm22:30 in CDT

GMT to CDT call time
Best time for a conference call or a meeting is between 11am-6pm in GMT which corresponds to 8am-3pm in CDT

1:30 am01:30 GMT-01:00 (GMT). Offset UTC -1:00 hours
10:30 pm22:30 Cuba Daylight Time (CDT). Offset UTC -4:00 hours

1:30 am01:30 GMT / 10:30 pm22:30 CDT

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

GMT-01:00

Offset: GMT is 1 hour behind Greenwich Mean Time (GMT) and is used in America

GMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -01 - basic short
  • -0100 - basic
  • -01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0100 - sign character (-) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one 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
  • November - Military abbreviation for GMT
  • N - short form of 'November'
GMT Abbreviation: Several time zones share GMT abbreviation and it could refer to these time zones
  • Greenwich Mean Time - UTC +0
  • GMT+03:00 - UTC +3
  • GMT - UTC +1
  • GMT+06:00 - UTC +6
  • GMT-01:00 - UTC -1
  • GMT+11:00 - UTC +11
Time zones with the GMT -1 offset:
  • EGT - East Greenland Time
  • AZOT - Azores Time
  • CVT - Cape Verde Time
  • N - November Time Zone

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).

Daylight saving time clock moves forward for one hour from 12am to 1amStart: Cuba Daylight Time (CDT) started on Sunday, March 10, 2024 at 12:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 1:00 am. Daylight saving starts annually the on second Sunday of March

Daylight saving time clock moves back for one hour from 1am to 12amEnd: Cuba Daylight Time (CDT) ends on Sunday, November 3, 2024 at 1:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 12:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

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
  • HLV - Hora Legal de Venezuela
  • PYT - Paraguay Time
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time