HKT to EDT to CEST Time Converter

HKT
Hong Kong Time
UTC+8
Wed, Oct 4
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EDT
Eastern Daylight Time
UTC−4
Tue, Oct 3 (previous day)
12h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CEST
Central European Summer Time
UTC+2
Wed, Oct 4
6h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

9:00 am09:00 HKT (UTC+8), Oct 4, 2023 = 9:00 pm21:00 EDT (UTC-4), Oct 3, 2023 = 3:00 am03:00 CEST (UTC+2), Oct 4, 2023

HKT is 12 hours ahead of EDT. HKT is 6 hours ahead of CEST.

How the time difference changes

HKT to EDT

For most of the year, HKT is 12 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, HKT is 13 hours ahead of EST.

For most of the year, working hours of 9:00 am to 6:00 pm in HKT correspond to 9:00 pm (previous day) to 6:00 am in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in HKT correspond to 8:00 pm (previous day) to 5:00 am in EST.For most of the year, working hours of 09:00 to 18:00 in HKT correspond to 21:00 (previous day) to 06:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in HKT correspond to 20:00 (previous day) to 05:00 in EST.

HKT to CEST

For most of the year, HKT is 6 hours ahead of CEST. From Oct 25, 2026 to Mar 28, 2027, HKT is 7 hours ahead of CET.

For most of the year, working hours of 9:00 am to 6:00 pm in HKT correspond to 3:00 am to 12:00 pm in CEST. At other times of the year, working hours of 9:00 am to 6:00 pm in HKT correspond to 2:00 am to 11:00 am in CET.For most of the year, working hours of 09:00 to 18:00 in HKT correspond to 03:00 to 12:00 in CEST. At other times of the year, working hours of 09:00 to 18:00 in HKT correspond to 02:00 to 11:00 in CET.

Compare HKT time with EDT and CEST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Hong Kong Time is 12 hours ahead of Eastern Daylight Time. Hong Kong Time is 6 hours ahead of Central European Summer Time.
9:00 am09:00 in HKT is 9:00 pm21:00 in EDT and is 3:00 am03:00 in CEST

HKT to EDT call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in HKT which corresponds to 7pm-8pm19:00-20:00 in EDT (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
HKT to CEST call time
Best time for a conference call or a meeting is between 3pm-6pm15:00-18:00 in HKT which corresponds to 9am-12pm09:00-12:00 in CEST

9:00 am09:00 Hong Kong Time (HKT). Offset UTC +8:00 hours
9:00 pm21:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
3:00 am03:00 Central European Summer Time (CEST). Offset UTC +2:00 hours

9:00 am09:00 HKT / 9:00 pm21:00 EDT / 3:00 am03:00 CEST

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
HKTEDTCEST
12:00pm previous day6:00pm previous day
1:00pm previous day7:00pm previous day
2:00pm previous day8:00pm previous day
3:00pm previous day9:00pm previous day
4:00pm previous day10:00pm previous day
5:00pm previous day11:00pm previous day
6:00pm previous day12:00am
7:00pm previous day1:00am
8:00pm previous day2:00am
9:00pm previous day3:00am
10:00pm previous day4:00am
11:00pm previous day5:00am
12:00am6:00am
1:00am7:00am
2:00am8:00am
3:00am9:00am
4:00am10:00am
5:00am11:00am
6:00am12:00pm
7:00am1:00pm
8:00am2:00pm
9:00am3:00pm
10:00am4:00pm
11:00am5:00pm
12:00 previous day18:00 previous day
13:00 previous day19:00 previous day
14:00 previous day20:00 previous day
15:00 previous day21:00 previous day
16:00 previous day22:00 previous day
17:00 previous day23:00 previous day
18:00 previous day00:00
19:00 previous day01:00
20:00 previous day02:00
21:00 previous day03:00
22:00 previous day04:00
23:00 previous day05:00
00:0006:00
01:0007:00
02:0008:00
03:0009:00
04:0010:00
05:0011:00
06:0012:00
07:0013:00
08:0014:00
09:0015:00
10:0016:00
11:0017:00

Hong Kong Time

Offset: HKT is 8 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Hong Kong

Principal Cities: The largest city in the HKT time zone is Hong Kong in Hong Kong, with about 7.396 million people.

Daylight Saving: Clocks in Hong Kong Time (HKT) do not change for daylight saving time, so HKT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Map of the areas on Hong Kong Time (HKT)
HKT all year

Open the world time zone map© OpenStreetMap

HKT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Hotel - Military abbreviation for HKT
  • H - short form of 'Hotel'
IANA/Olson: Reflects HKT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Hong_Kong
  • Hongkong
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time

Eastern Daylight Time

Offset: EDT is 4 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Haiti, Turks and Caicos Islands, United States

Principal Cities: The largest city in the EDT time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HAE - Heure Avancée de l'Est

Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste

Map of the areas on Eastern Daylight Time (EDT)
EDT part of the year

On October 4, 2023 all shaded areas are on EDT.

Open the world time zone map© OpenStreetMap

Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Eastern Standard Time (EST).

123456789101112Start: Eastern Daylight Time (EDT) started on Sunday, March 12, 2023 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 12, 2023, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

123456789101112End: Eastern Daylight Time (EDT) ends on Sunday, November 5, 2023 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 5, 2023, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

EDT 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 an offset of four hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for EDT
  • Q - short form of 'Quebec'
IANA/Olson: Reflects EDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Detroit
  • America/Fort_Wayne
  • America/Grand_Turk
  • America/Indiana/Indianapolis
  • America/Indiana/Marengo
  • America/Indiana/Petersburg
  • America/Indiana/Vevay
  • America/Indiana/Vincennes
  • America/Indiana/Winamac
  • America/Indianapolis
  • America/Iqaluit
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST5EDT
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
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
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time

Central European Summer Time

Offset: CEST is 2 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Albania, Andorra, Austria, Belgium, Bosnia and Herzegovina, Croatia, Czechia, Denmark, France, Germany, Gibraltar, Hungary, Italy, Kosovo, Liechtenstein, Luxembourg, Malta, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, San Marino, Serbia, Slovakia, Slovenia, Spain, Svalbard and Jan Mayen, Sweden, Switzerland, Vatican City

Principal Cities: The largest city in the CEST time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Rome, Paris, Hamburg.

German: MESZ - Mitteleuropäische Sommerzeit

Map of the areas on Central European Summer Time (CEST)
CEST part of the year

On October 4, 2023 all shaded areas are on CEST.

Open the world time zone map© OpenStreetMap

Daylight Saving: Central European Summer Time (CEST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Central European Time (CET).

123456789101112Start: Central European Summer Time (CEST) started on Sunday, March 26, 2023 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 26, 2023, 3:00 am03:00. Daylight saving starts annually on the last Sunday of March.

123456789101112End: Central European Summer Time (CEST) ends on Sunday, October 29, 2023 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, October 29, 2023, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

See upcoming clock changes worldwide.

CEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Bravo - Military abbreviation for CEST
  • B - short form of 'Bravo'
IANA/Olson: Reflects CEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Ceuta
  • Arctic/Longyearbyen
  • Atlantic/Jan_Mayen
  • CET
  • Europe/Amsterdam
  • Europe/Andorra
  • Europe/Belgrade
  • Europe/Berlin
  • Europe/Bratislava
  • Europe/Brussels
  • Europe/Budapest
  • Europe/Busingen
  • Europe/Copenhagen
  • Europe/Gibraltar
  • Europe/Ljubljana
  • Europe/Luxembourg
  • Europe/Madrid
  • Europe/Malta
  • Europe/Monaco
  • Europe/Oslo
  • Europe/Paris
  • Europe/Podgorica
  • Europe/Prague
  • Europe/Rome
  • Europe/San_Marino
  • Europe/Sarajevo
  • Europe/Skopje
  • Europe/Stockholm
  • Europe/Tirane
  • Europe/Vaduz
  • Europe/Vatican
  • Europe/Vienna
  • Europe/Warsaw
  • Europe/Zagreb
  • Europe/Zurich
  • MET
  • Poland
Time zones with the GMT +2 offset:
  • CEST - Central European Summer Time
  • EET - Eastern European Time
  • MESZ - Mitteleuropäische Sommerzeit
  • B - Bravo Time Zone
  • CAT - Central Africa Time
  • IST - Israel Standard Time
  • SAST - South Africa Standard Time
  • WAST - West Africa Summer Time
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT