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Convert Central European Summer Time to Hawaii Standard Time

Instantly convert Central European Summer Time (CEST) to Hawaii Standard Time (HST) with our free online calculator.

Reviewed by Christopher FloiedUpdated

Central European Summer Time

07:20:52 AM

Wed, Jun 24 (CEST)

Hawaii Standard Time

07:20:52 PM

Tue, Jun 23 (HST)

HST is -12 hours from CEST

Convert a Specific Time

CEST

24-Hour Comparison

CESTHST
12:00 AM12:00 PM(-1d)
1:00 AM1:00 PM(-1d)
2:00 AM2:00 PM(-1d)
3:00 AM3:00 PM(-1d)
4:00 AM4:00 PM(-1d)
5:00 AM5:00 PM(-1d)
6:00 AM6:00 PM(-1d)
7:00 AM7:00 PM(-1d)
8:00 AM8:00 PM(-1d)
9:00 AM9:00 PM(-1d)
10:00 AM10:00 PM(-1d)
11:00 AM11:00 PM(-1d)
12:00 PM12:00 AM
1:00 PM1:00 AM
2:00 PM2:00 AM
3:00 PM3:00 AM
4:00 PM4:00 AM
5:00 PM5:00 AM
6:00 PM6:00 AM
7:00 PM7:00 AM
8:00 PM8:00 AM
9:00 PM9:00 AM
10:00 PM10:00 AM
11:00 PM11:00 AM

How to Convert Central European Summer Time to Hawaii Standard Time

Formula

To convert Central European Summer Time (CEST) to Hawaii Standard Time (HST): Convert CEST to HST

About Central European Summer Time (CEST)

Central European Summer Time (CEST, IANA: Europe/Berlin during DST window) is the summer-time variant of CET, set at UTC+2:00 — observed from the last Sunday of March to the last Sunday of October per EU Directive 2000/84/EC. CEST shares the same UTC offset as Eastern European Time (EET) (used by Greece, Romania, Finland, Estonia, Latvia, Lithuania, Bulgaria, Cyprus during winter), and is one hour ahead of Western European Summer Time (WEST). The 2018 European Commission proposal to abolish DST (with countries choosing to permanently stay on either standard time or summer time) has been delayed indefinitely as of 2024. CEST serves the same ~460 million population as CET across 27 European countries. The 'spring forward' transition at 02:00 CET on the last Sunday of March is one of the largest single coordinated time changes in human history. Affects: All European TV broadcast schedules (Eurovision Song Contest broadcast time), F1 European-round race start times, summer-music-festival schedules (Tomorrowland, Sziget, Glastonbury — UK on BST), and tourism arrival/check-in times in major European cities.

About Hawaii Standard Time (HST)

Hawaii Standard Time (HST, IANA: Pacific/Honolulu) is the time zone for the State of Hawaii and the Aleutian Islands of Alaska west of 169.5°W. HST is UTC-10:00 year-round and does not observe Daylight Saving Time per Hawaii Revised Statutes §1-31 (Hawaii opted out of the Uniform Time Act of 1966). When the US mainland switches to Daylight Saving Time in March, the offset from Hawaii to the West Coast (Pacific Time) becomes 3 hours instead of the standard 2 hours. Honolulu sees solar noon at approximately 12:30 PM HST in summer. HST is the same offset as Cook Island Time (CKT) and Tahiti Time (TAHT) in French Polynesia, allowing easy mental conversion across the central Pacific. Time-sensitive activities affected by HST include Pacific tsunami warning system coordination per NOAA NTWC, US military operations from Joint Base Pearl Harbor-Hickam, and the Mauna Kea astronomical observatories' nightly observing schedules.

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