|

Livermore to HST Time Converter

Updating current time…
Livermore
California, USA
PDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
HST
Hawaii Standard Time
GMT -10
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:00 am05:00 PDT (UTC-7), Oct 5, 2026 = 2:00 am02:00 HST (UTC-10), Oct 5, 2026

Livermore is 3 hours ahead of HST.

How the time difference changes

For most of the year, Livermore is 3 hours ahead of HST. At other times of the year, Livermore is 2 hours ahead of HST.

For most of the year, working hours of 9:00 am to 5:00 pm in Livermore correspond to 6:00 am to 2:00 pm in HST. At other times of the year, working hours of 9:00 am to 5:00 pm in Livermore correspond to 7:00 am to 3:00 pm in HST.For most of the year, working hours of 09:00 to 17:00 in Livermore correspond to 06:00 to 14:00 in HST. At other times of the year, working hours of 09:00 to 17:00 in Livermore correspond to 07:00 to 15:00 in HST.

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

Time Difference

PDT (Pacific Daylight Time) is 3 hours ahead of Hawaii Standard Time.
5:00 am05:00 in Livermore, CA, USA is 2:00 am02:00 in HST

Livermore to HST call time
Best time for a conference call or a meeting is between 12pm-5pm12:00-17:00 in Livermore which corresponds to 9am-2pm09:00-14:00 in HST

5:00 am05:00 PDT (Pacific Daylight Time) (Livermore, CA, USA). Offset UTC -7:00 hours
2:00 am02:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours

5:00 am05:00 Livermore, CA, USA / 2:00 am02:00 HST

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

Livermore Information

Time Zone

Abbreviation / Name
PDT - Pacific Daylight Time
PST - Pacific Standard Time
UTC / GMT Offset
-7:00 hours during Pacific Daylight Time, currently in use.
-8:00 hours during Pacific Standard Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hourSunday, March 8, 2026 at 2:00 amSunday, March 8, 2026 at 02:00 local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 amSunday, March 8, 2026 at 03:00 local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves backward for one hourSunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00 local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 amSunday, November 1, 2026 at 01:00 local standard time instead. Also called Fall Back or switch to Winter Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

Livermore Facts

Country
USA
State
California
Alternative Names
LVK, Laddville, Livrmor, Livermor, Livermore, Livermore's, Nottingham, li fu mo, libeomo-eo, libharamora, lybrmwr, lyfyrmwry, lywrmwr, lywrmwr kalyfrnya, ribamoa, Ливермор, Ливърмор, Лівермор, ליברמור, ليفيرموري, لیورمور, لیورمور، کالیفرنیا, लिभरमोर, リバモア, 利佛摩, 리버모어
Population
88,126
Currency
Dollar (USD)
Geographic Coordinates
37° 40' N Latitude / 121° 46' W Longitude
International Dialing Code
+1

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
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT