KST to HST Converter

Convert between any time zones worldwide. Free and accurate time zone converter with DST support.

Edit time and date on either side to see the conversion instantly.

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From Timezone

KST

Korea Standard Time

Time

Date

Date changes are handled automatically when conversions cross midnight.

To Timezone

HST

Hawaii Standard Time

Time

Date

Date changes are handled automatically when conversions cross midnight.

Popular Timezone Conversions

CST to EST PST to EST MST to EST GMT to EST JST to EST GST to EST IST to EST EST to GMT

About KST to HST Conversion

Converting time between KST and HST requires understanding their time zone offsets and any daylight saving time adjustments. KST (KST) operates at UTC+9, while HST (HST) is set to UTC-10. This means HST is 19 hours behind KST. Note that due to the time difference, the date may change. When it's 1:34 PM KST on February 4, 2026, it's 6:34 PM HST on February 3, 2026 in HST. Use this converter to quickly find the equivalent time in HST for any time in KST, whether you're scheduling meetings, planning travel, or coordinating with teams across different time zones.

How to Use the Time Zone Converter

Select your source timezone from the "From timezone" dropdown (use search to find quickly)
Enter the date and time you want to convert (or click "Today" and "Now" for current time)
Select your target timezone from the "To timezone" dropdown
The conversion updates automatically as you change inputs - no button needed!
Use "Copy" button to copy the converted time, or use presets for quick conversions

More Conversions from KST

KST to EST KST to CST KST to MST KST to MDT KST to PST KST to AKST KST to GMT KST to CET KST to EET KST to MSK KST to IST KST to JST KST to CST-CHINA KST to HKT KST to SGT KST to GST KST to AEST KST to AWST KST to NZST KST to UTC KST to ART KST to BRT KST to PHT KST to BDT KST to SAST KST to ICT KST to EAT KST to WAT KST to PKT

Frequently Asked Questions

What is the time difference between KST and HST?

The time difference between KST and HST is 19 hours. HST is 19 hours behind KST.

Is HST ahead of or behind KST?

HST is behind KST by 19 hours. When it's 8 AM in KST, it's 1:00 PM in HST.

How many hours do you add to KST to get HST?

You subtract 19 hours from KST to get HST. For example, 8 AM KST - 19 hours = 1:00 PM HST.

Does the KST to HST time difference change during Daylight Saving Time?

No, the time difference between KST and HST remains constant throughout the year. Neither timezone observes Daylight Saving Time, so the 19-hour difference stays the same.

What is 8 AM KST in HST?

8 AM KST is 1:00 PM HST. This conversion accounts for the 19-hour time difference between the two timezones.

Is KST the same throughout the year when converting to HST?

Yes, the conversion between KST and HST remains consistent throughout the year. Since neither timezone observes Daylight Saving Time, the 19-hour difference is constant, making conversions predictable and straightforward.

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