CET to HDT Converter
HDT is not used on this date
This converter keeps HDT at UTC−9. Adak uses HST (UTC−10) on this date. Open the HST converter, or choose Honolulu, Pearl City, or Hilo for city-specific time.Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
1:00 pm13:00 CET (UTC+1), Nov 4, 2026 = 3:00 am03:00 HDT (UTC-9), Nov 4, 2026
CET is 10 hours ahead of HDT.
CET and HDT examples
These examples always use CET (UTC+1) and HDT (UTC-9). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
CET is 10 hours ahead of HDT.
How the time difference changes
For most of the year, CEST is 11 hours ahead of HDT. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, CET is 10 hours ahead of HDT.
For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 10:00 pm (previous day) to 7:00 am in HDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 11:00 pm (previous day) to 8:00 am in HDT.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 22:00 (previous day) to 07:00 in HDT. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 23:00 (previous day) to 08:00 in HDT.
Compare CET time with HDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central European Time is 10 hours ahead of Hawaii-Aleutian Daylight Time.
1:00 pm13:00 in CET is 3:00 am03:00 in HDT
CET to HDT call time
Best time for a conference call or a meeting is between 6pm-7pm18:00-19:00 in CET which corresponds to 8am-9am08:00-09:00 in HDT. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
1:00 pm13:00 Central European Time (CET). Offset UTC +1:00 hour
3:00 am03:00 Hawaii-Aleutian Daylight Time (HDT). Offset UTC -9:00 hours
1:00 pm13:00 CET / 3:00 am03:00 HDT
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.
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Central European Time
Offset: CET is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Albania, Algeria, 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, Tunisia, Vatican City
Principal Cities: The largest city in the CET time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Algiers, Rome, Paris.
German: MEZ - Mitteleuropäische Zeit
Today all shaded areas are on CET.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central European Summer Time (CEST).
Start: Central European Time (CET) started on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks were set one hour back to Sunday, October 25, 2026, 2:00 am02:00. Standard time starts annually on the last Sunday of October.
End: Central European Time (CET) ends on Sunday, March 28, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 28, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of March.
CET representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for CET
- A - short form of 'Alpha'
- Africa/Algiers
- Africa/Ceuta
- Africa/Tunis
- 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
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Hawaii-Aleutian Daylight Time
Offset: HDT is 9 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: United States
Today the shaded areas are on UTC−10 (HST).
Daylight Saving: Hawaii-Aleutian Daylight Time (HDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Hawaii-Aleutian Standard Time (HAST).
End: Hawaii-Aleutian Daylight Time (HDT) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
Start: Hawaii-Aleutian Daylight Time (HDT) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
HDT representations, usage and related time zones
- -09 - basic short
- -0900 - basic
- -09:00 - extended
- -0900 - sign character (-) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the west of the zero meridian.
- Victor - Military abbreviation for HDT
- V - short form of 'Victor'
- America/Adak
- America/Atka
- US/Aleutian
- AKST - Alaska Standard Time
- AHDT - Alaska-Hawaii Daylight Time
- HADT - Hawaii-Aleutian Daylight Time
- GAMT - Gambier Time
- HDT - Hawaii-Aleutian Daylight Time
- V - Victor Time Zone