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HST to CEST Converter

Updating current time…
HST
Hawaii Standard Time
GMT -10
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CEST
Central European Summer Time
GMT +2
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

2:00 am02:00 HST (UTC-10), Oct 3, 2026 = 2:00 pm14:00 CEST (UTC+2), Oct 3, 2026

HST is 12 hours behind CEST.

HST and CEST examples

These examples always use HST (UTC-10) and CEST (UTC+2). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

HST is 12 hours behind CEST.

How the time difference changes

For most of the year, HST is 12 hours behind CEST. At other times of the year, HST is 11 hours behind CET.

For most of the year, working hours of 9:00 am to 5:00 pm in HST correspond to 9:00 pm to 5:00 am (next day) in CEST. At other times of the year, working hours of 9:00 am to 5:00 pm in HST correspond to 8:00 pm to 4:00 am (next day) in CET.For most of the year, working hours of 09:00 to 17:00 in HST correspond to 21:00 to 05:00 (next day) in CEST. At other times of the year, working hours of 09:00 to 17:00 in HST correspond to 20:00 to 04:00 (next day) in CET.

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

Time Difference

Hawaii Standard Time is 12 hours behind Central European Summer Time.
2:00 am02:00 in HST is 2:00 pm14:00 in CEST

HST to CEST call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in HST which corresponds to 7pm-8pm19:00-20:00 in CEST

2:00 am02:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
2:00 pm14:00 Central European Summer Time (CEST). Offset UTC +2:00 hours

2:00 am02:00 HST / 2:00 pm14:00 CEST

HSTCEST
12:00am12:00pm
1:00am1:00pm
2:00am2:00pm
3:00am3:00pm
4:00am4:00pm
5:00am5:00pm
6:00am6:00pm
7:00am7:00pm
8:00am8:00pm
9:00am9:00pm
10:00am10:00pm
11:00am11:00pm
12:00pm12:00am
1:00pm1:00am
2:00pm2:00am
3:00pm3:00am
4:00pm4:00am
5:00pm5:00am
6:00pm6:00am
7:00pm7:00am
8:00pm8:00am
9:00pm9:00am
10:00pm10:00am
11:00pm11:00am
00:0012:00
01:0013:00
02:0014:00
03:0015:00
04:0016:00
05:0017:00
06:0018:00
07:0019:00
08:0020:00
09:0021:00
10:0022:00
11:0023:00
12:0000:00
13:0001:00
14:0002:00
15:0003:00
16:0004:00
17:0005:00
18:0006:00
19:0007:00
20:0008:00
21:0009:00
22:0010:00
23:0011:00

Hawaii Standard Time

Offset: HST is 10 hours behind Greenwich Mean Time (GMT) and is used in Pacific

Countries using this time zone: United States

Principal Cities: The largest city in the HST time zone is Honolulu in the United States, with about 350,964 people. Other major cities in this time zone include Pearl City, Hilo, Kailua, Waipahu.

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

HST Time Zone Geo Map
HST timezone map

HST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -10 - basic short
  • -1000 - basic
  • -10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Whiskey - Military abbreviation for HST
  • W - short form of 'Whiskey'
IANA/Olson: Reflects HST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Adak
  • America/Atka
  • HST
  • Pacific/Honolulu
  • Pacific/Johnston
  • US/Aleutian
  • US/Hawaii
Time zones with the GMT -10 offset:
  • HAST - Hawaii-Aleutian Standard Time
  • CKT - Cook Island Time
  • HST - Hawaii Standard Time
  • TAHT - Tahiti Time
  • W - Whiskey Time Zone

Central European Summer Time

Offset: CEST is 2 hours ahead Greenwich Mean Time (GMT) and is used in Europe

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

CEST Time Zone Geo Map
CEST timezone map

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).

Daylight saving time clock moves forward for one hourStart: Central European Summer Time (CEST) started on Sunday, March 29, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 3:00 am03:00. Daylight saving starts annually on the last Sunday of March.

Daylight saving time clock moves back for one hourEnd: Central European Summer Time (CEST) ends on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 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