Hong Kong
HKT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CST
Cuba Standard Time
GMT -5
12am
3am
6am
9am
12pm
3pm
6pm
9pm

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

Time Difference

HKT (Hong Kong Time) is 13 hours ahead of Cuba Standard Time
8:00 pm20:00 in Hong Kong, Hong Kong is 7:00 am07:00 in CST

Hong Kong to CST call time
Best time for a conference call or a meeting is between 7am-8am in Hong Kong which corresponds to 6pm-7pm in CST (previous day)

8:00 pm20:00 HKT (Hong Kong Time) (Hong Kong, Hong Kong). Offset UTC +8:00 hours
7:00 am07:00 Cuba Standard Time (CST). Offset UTC -5:00 hours

8:00 pm20:00 Hong Kong, Hong Kong / 7:00 am07:00 CST

Hong Kong, Hong KongCST
12am (midnight)11am
1am12pm (noon)
2am1pm
3am2pm
4am3pm
5am4pm
6am5pm
7am6pm
8am7pm
9am8pm
10am9pm
11am10pm
12pm (noon)11pm
1pm12am (midnight)
2pm1am
3pm2am
4pm3am
5pm4am
6pm5am
7pm6am
8pm7am
9pm8am
10pm9am
11pm10am
00:0011:00
01:0012:00
02:0013:00
03:0014:00
04:0015:00
05:0016:00
06:0017:00
07:0018:00
08:0019:00
09:0020:00
10:0021:00
11:0022:00
12:0023:00
13:0000:00
14:0001:00
15:0002:00
16:0003:00
17:0004:00
18:0005:00
19:0006:00
20:0007:00
21:0008:00
22:0009:00
23:0010:00

Hong Kong Information

Time Zone

Abbreviation / Name
CST - China Standard Time
UTC / GMT Offset
+8:00 hours during China Standard Time, currently in use.

Hong Kong Facts

Country
Hong Kong
Alternative Names
Chon'nk Kon'nk, Gankong, Gon Kong, Gonkong, HKG, Hiong-geng, Hiŏng-gē̤ng, Hong Kong, Hongkong, Honkong, Hồng Kông, Khongkong, Khonkong, Victoria, ankan, hamga kamga, hanakana, hang kang, hang kang nagaram, hangakanga, hang‌kang, hankam, heankean, hng kng, hon'ga kon'ga, hong-kʼongi, hongakonga, hongkong, honkongu, hwng kwng, hwng qwng, hwngh kwngh, hwnj kwnj, hxngkng, hʼng qʼng, shyanggang, xiang gang, Χονγκ Κονγκ, Ганконг, Гонконг, Хонгконг, Хонконг, Һoң Koң, Һоң Коң, Հոնկոնգ, האנג קאנג, הונג קונג, شياڭگاڭ, هانگ کانگ, هنگ کنگ, هونج كونج, هونغ كونغ, هونگ کونگ, ھwng kwng, ھونگ کونگ, ھۆng kۆng, ھۆنگ کۆنگ, ہang kang, ہانگ کانگ, ހޮންކޮންގު, हङकङ, हाँग काँग, हांगकांग, हांग् कांग् नगरम्, हॉन्ग कॉन्ग, হংকং, ਹਾਂਗਕਾਂਗ, હોંગકોંગ, ହଂକଂ, ஆங்காங், హాంగ్‌కాంగ్, ಹಾಂಗ್ ಕಾಂಗ್, ഹോങ്കോങ്, හොංකොං, ฮ่องกง, ཧང་ཀང་།, ཧོང་ཀོང་།, ဟောငကောင, ဟောင်ကောင်, ჰონგ-კონგი, ሆንግ ኮንግ, ហងកង, ហុងកុង, 香港, 홍콩
Population
7,012,738
Currency
Dollar (HKD)
Geographic Coordinates
22° 16' N Latitude / 114° 10' E Longitude
International Dialing Code
+852

Cuba Standard Time

Offset: CST is 5 hours behind Greenwich Mean Time (GMT) and is used in Caribbean

Countries using this time zone: Cuba

Principal Cities: The largest city in the CST 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.

CST Time Zone Geo Map
CST timezone map

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Cuba Daylight Time (CDT).

Daylight saving time clock moves back for one hour from 1am to 12amStart: Cuba Standard Time (CST) started on Sunday, November 2, 2025 at 1:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 12:00 am. Standard time starts annually on the first Sunday of November.

Daylight saving time clock moves forward for one hour from 12am to 1amEnd: Cuba Standard Time (CST) ends on Sunday, March 8, 2026 at 12:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 1:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.

CST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for CST
  • R - short form of 'Romeo'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Havana
  • Cuba
CST Abbreviation: Several time zones share CST abbreviation and it could refer to these time zones
  • Central Standard Time - UTC -6
  • China Standard Time - UTC +8
  • Cuba Standard Time - UTC -5
Time zones with the GMT -5 offset:
  • 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