California, USA
PST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Hawaii, USA
HST
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Compare South San Francisco time with Honolulu time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

PST (Pacific Standard Time) is 2 hours ahead of HST (Hawaii Standard Time)
4:00 am04:00 in South San Francisco, CA, USA is 2:00 am02:00 in Honolulu, HI, USA

South San Francisco to Honolulu call time
Best time for a conference call or a meeting is between 11am-5pm in South San Francisco which corresponds to 9am-3pm in Honolulu

4:00 am04:00 PST (Pacific Standard Time) (South San Francisco, CA, USA). Offset UTC -8:00 hours
2:00 am02:00 HST (Hawaii Standard Time) (Honolulu, HI, USA). Offset UTC -10:00 hours

4:00 am04:00 South San Francisco, CA, USA / 2:00 am02:00 Honolulu, HI, USA

South San Francisco, CA, USAHonolulu, HI, USA
12am (midnight)10pm
1am11pm
2am12am (midnight)
3am1am
4am2am
5am3am
6am4am
7am5am
8am6am
9am7am
10am8am
11am9am
12pm (noon)10am
1pm11am
2pm12pm (noon)
3pm1pm
4pm2pm
5pm3pm
6pm4pm
7pm5pm
8pm6pm
9pm7pm
10pm8pm
11pm9pm
00:0022:00
01:0023:00
02:0000:00
03:0001:00
04:0002:00
05:0003:00
06:0004:00
07:0005:00
08:0006:00
09:0007:00
10:0008:00
11:0009:00
12:0010:00
13:0011:00
14:0012:00
15:0013:00
16:0014:00
17:0015:00
18:0016:00
19:0017:00
20:0018:00
21:0019:00
22:0020:00
23:0021:00

South San Francisco 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 hour from 2am to 3amSunday, March 8, 2026 at 2:00 am 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 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 2am to 1amSunday, November 1, 2026 at 2:00 am 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 am local standard time instead. Also called Fall Back or switch to Winter Time.

South San Francisco Facts

Country
USA
State
California
Alternative Names
Baden, Juzhen San Francisko, Saus-San-Francisko, Saut San Francisko, South San Francisco, nan jiu jin shan, sa'utha syana phransisko, saususanfuranshisuko, swt san fransyskw kalyfrnya, swwth san fransyskw, Саус-Сан-Франциско, Саут Сан Франциско, Южен Сан Франциско, سوت سان فرانسیسکو، کالیفرنیا, سووث سان فرانسيسكو, साउथ स्यान फ्रान्सिस्को, サウスサンフランシスコ, 南旧金山, 南舊金山
Population
67,271
Currency
Dollar (USD)
Geographic Coordinates
37° 39' N Latitude / 122° 24' W Longitude
International Dialing Code
+1

Honolulu Information

Time Zone

Abbreviation / Name
HST - Hawaii Standard Time
UTC / GMT Offset
-10:00 hours during Hawaii Standard Time, currently in use.

Honolulu Facts

Country
USA
State
Hawaii
Alternative Names
Anorourou, Chonoloulou, Gana-Rura, Gana-ruru, Ganalulu, Ganaruro, Ganaruru, Gonolulu, HNL, Hana-Rura, Hana-Ruru, Hana-ruru, Honoloulou, Honolulu, Honolulú, Honolúlú, Honoruru, Khonolulu, Than-hiong-san, Thàn-hiông-sân, hanalulu, hanululu, honalulu, honollullu, honolulu, honoruru, hwnwlwlw, tan xiang shan, Χονολουλού, Ганалулу, Гонолулу, Хонолулу, Һонолулу, Հոնոլուլու, האנאלולו, הונולולו, هونولولو, ہwnwlwlw ہwayy, ہونولولو, ہونولولو، ہوائی, हानलूलू, होनालुलु, होनोलुलु, होनोलूलू, হনলুলু, হনুলুলু, ହନଲୁଲୁ, ஹொனலுலு, ಹೊನೊಲುಲು, โฮโนลูลู, ཧོ་ནོ་ལུ་ལུ།, ဟိုနိုလူလူမြို့, ჰონოლულუ, ሆኖሉሉ, ホノルル, 檀香山, 호놀룰루
Population
371,657
Currency
Dollar (USD)
Geographic Coordinates
21° 18' N Latitude / 157° 51' W Longitude
International Dialing Code
+1