Iran
IST
CST/CDT
Cuba Standard Time
GMT -5
CDT automatically adjusted to CST time zone, that is in use

Time Difference

IST (Iran Standard Time) is 8 hours and 30 minutes ahead of Cuba Standard Time
12:30 am00:30 in Quchan, Iran is 4:00 pm16:00 in CST

Quchan to CDT call time
Best time for a conference call or a meeting is between 3:30pm-6pm in Quchan which corresponds to 8am-10:30am in CDT

12:30 am00:30 IST (Iran Standard Time) (Quchan, Iran). Offset UTC +3:30 hours
4:00 pm16:00 Cuba Standard Time (CST). Offset UTC -5:00 hours

12:30 am00:30 Quchan, Iran / 4:00 pm16:00 CST

Quchan, Iran CST
12am (midnight) 3:30 pm
1am 4:30 pm
2am 5:30 pm
3am 6:30 pm
4am 7:30 pm
5am 8:30 pm
6am 9:30 pm
7am 10:30 pm
8am 11:30 pm
9am 12:30 am
10am 1:30 am
11am 2:30 am
12pm (noon) 3:30 am
1pm 4:30 am
2pm 5:30 am
3pm 6:30 am
4pm 7:30 am
5pm 8:30 am
6pm 9:30 am
7pm 10:30 am
8pm 11:30 am
9pm 12:30 pm
10pm 1:30 pm
11pm 2:30 pm
0:00 15:30
1:00 16:30
2:00 17:30
3:00 18:30
4:00 19:30
5:00 20:30
6:00 21:30
7:00 22:30
8:00 23:30
9:00 0:30
10:00 1:30
11:00 2:30
12:00 3:30
13:00 4:30
14:00 5:30
15:00 6:30
16:00 7:30
17:00 8:30
18:00 9:30
19:00 10:30
20:00 11:30
21:00 12:30
22:00 13:30
23:00 14:30

Quchan Information

Time Zone

Abbreviation / Name
IST - Iran Standard Time
IRDT - Iran Daylight Time
UTC / GMT Offset
+3:30 hours during Iran Standard Time, currently in use.
+4:30 hours during Iran Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Also called Fall Back or switch to Winter Time.

Quchan Facts

Country
Iran
Alternative Names
Gochan, Quchan, Qūchān, qwchan, قوچان
Population
111,752
Currency
Rial (IRR)
Geographic Coordinates
37° 06' N Latitude / 58° 30' E Longitude
International Dialing Code
+98

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 time zone, however during winter some places adjust time for one hour back and observe Cuba Standard Time (CST).

Daylight saving time clock moves back for one hour from 1am to 12amEnd: Cuba Daylight Time (CDT) has ended on Sunday, November 3, 2024 at 1:00 am local time and clocks were 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

Daylight saving time clock moves forward for one hour from 12am to 1amStart: Cuba Daylight Time (CDT) starts on Sunday, March 9, 2025 at 12:00 am local time and clocks are set one hour forward to Sunday, March 9, 2025, 1:00 am. Daylight saving starts annually the on second Sunday of March

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