UTC to HST Time Converter

Convert Coordinated Universal Time (UTC) to Hawaii Standard Time (HST). Both time zones are shown live below; current offset between them is 10 hours behind.

UTC · Coordinated Universal Time
18:06:43
Sunday, May 17, 2026
UTC · UTC+00:00
Honolulu · Hawaii Standard Time
08:06:43
Sunday, May 17, 2026
HST · UTC-10:00

Convert a specific time

From: UTC (UTC)
To: HST (Honolulu)
--:--

Daylight Saving status right now

UTC (Coordinated Universal Time)
Observes DST
No
HST (Hawaii Standard Time)
Observes DST
No

When can UTC and HST meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
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23
UTC
HST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in UTC (UTC). Each row shows the local working-hours state in that zone for the same moment in time.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 18:00–18:00 UTC (08:00–08:00 HST).

Hour-by-hour UTC to HST conversion table

UTC time (UTC)HST time (Honolulu)Status
00:00 Sun14:00 SatHST working
01:00 Sun15:00 SatHST working
02:00 Sun16:00 SatHST working
03:00 Sun17:00 SatOff-hours both sides
04:00 Sun18:00 SatOff-hours both sides
05:00 Sun19:00 SatOff-hours both sides
06:00 Sun20:00 SatOff-hours both sides
07:00 Sun21:00 SatOff-hours both sides
08:00 Sun22:00 SatOff-hours both sides
09:00 Sun23:00 SatUTC working
10:00 Sun00:00 SunUTC working
11:00 Sun01:00 SunUTC working
12:00 Sun02:00 SunUTC working
13:00 Sun03:00 SunUTC working
14:00 Sun04:00 SunUTC working
15:00 Sun05:00 SunUTC working
16:00 Sun06:00 SunUTC working
17:00 Sun07:00 SunOff-hours both sides
18:00 Sun08:00 SunOff-hours both sides
19:00 Sun09:00 SunHST working
20:00 Sun10:00 SunHST working
21:00 Sun11:00 SunHST working
22:00 Sun12:00 SunHST working
23:00 Sun13:00 SunHST working

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Coordinated Universal Time (UTC)
IANA identifier
UTC
Current UTC offset
UTC+00:00
Current abbreviation
UTC
Major cities in this zone
UTC
Hawaii Standard Time (HST)
IANA identifier
Pacific/Honolulu
Current UTC offset
UTC-10:00
Current abbreviation
HST
Major cities in this zone
Honolulu

Sun today in UTC and Honolulu

Honolulu
Sunrise
05:53
Sunset
19:04
Solar noon
12:29
Daylight
13h 10m

Related converters

HST to UTC (reverse)UTC to ESTUTC to PSTUTC to GMTUTC to CETUTC to ISTEST to HSTPST to HSTGMT to HSTCET to HSTIST to HST
Looking for local time? See time in UTC or time in Honolulu.

Frequently asked questions

What is the time difference between UTC and HST right now?+
HST (Hawaii Standard Time) is currently 10 hours behind UTC (Coordinated Universal Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does UTC or HST observe daylight saving time?+
UTC: does not observe daylight saving time. HST: does not observe daylight saving time.
When is the best time to schedule a meeting between UTC and HST?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 18:00–18:00 UTC (08:00–08:00 HST).
What time is it in Honolulu when it is 12:00 noon in UTC?+
When it is 12:00 Sun in UTC (UTC), it is 02:00 Sun in Honolulu (HST).
Which IANA time zone identifiers are used for UTC and HST?+
UTC maps to "UTC" in the IANA database. HST maps to "Pacific/Honolulu". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is UTC ahead of or behind Honolulu?+
Whether UTC (UTC) is ahead of or behind Honolulu (HST) depends on the current UTC offsets. Right now HST is 10 hours behind UTC. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for UTC and HST?+
UTC is UTC+00:00 (UTC) and HST is UTC-10:00 (HST). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both UTC and HST?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between UTC and HST is 18:00–18:00 UTC.