California, USA
PDT
UTC
Universal Time Coordinated
GMT +0
Australia
AEST

Time Difference

PDT (Pacific Daylight Time) is 7 hours behind Universal Time Coordinated and 17 hours behind AEST (Australian Eastern Standard Time)
1:30 pm13:30 in San Francisco, CA, USA is 8:30 pm20:30 in UTC and is 6:30 am06:30 in Melbourne, Australia

San Francisco to UTC call time
Best time for a conference call or a meeting is between 8am-11am in San Francisco which corresponds to 3pm-6pm in UTC
San Francisco to Melbourne call time
Best time for a conference call or a meeting is between 4:30am-6:30am in San Francisco which corresponds to 9:30pm-11:30pm in Melbourne

1:30 pm13:30 PDT (Pacific Daylight Time) (San Francisco, CA, USA). Offset UTC -7:00 hours
8:30 pm20:30 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
6:30 am06:30 AEST (Australian Eastern Standard Time) (Melbourne, Australia). Offset UTC +10:00 hours

1:30 pm13:30 San Francisco, CA, USA / 8:30 pm20:30 UTC / 6:30 am06:30 Melbourne, Australia

San Francisco, CA, USA UTC Melbourne, Australia
12am (midnight) 7am 5pm
1am 8am 6pm
2am 9am 7pm
3am 10am 8pm
4am 11am 9pm
5am 12pm (noon) 10pm
6am 1pm 11pm
7am 2pm 12am (midnight)
8am 3pm 1am
9am 4pm 2am
10am 5pm 3am
11am 6pm 4am
12pm (noon) 7pm 5am
1pm 8pm 6am
2pm 9pm 7am
3pm 10pm 8am
4pm 11pm 9am
5pm 12am (midnight) 10am
6pm 1am 11am
7pm 2am 12pm (noon)
8pm 3am 1pm
9pm 4am 2pm
10pm 5am 3pm
11pm 6am 4pm
0:00 7:00 17:00
1:00 8:00 18:00
2:00 9:00 19:00
3:00 10:00 20:00
4:00 11:00 21:00
5:00 12:00 22:00
6:00 13:00 23:00
7:00 14:00 0:00
8:00 15:00 1:00
9:00 16:00 2:00
10:00 17:00 3:00
11:00 18:00 4:00
12:00 19:00 5:00
13:00 20:00 6:00
14:00 21:00 7:00
15:00 22:00 8:00
16:00 23:00 9:00
17:00 0:00 10:00
18:00 1:00 11:00
19:00 2:00 12:00
20:00 3:00 13:00
21:00 4:00 14:00
22:00 5:00 15:00
23:00 6:00 16:00

San Francisco Information

Time Zone

Abbreviation / Name
PDT - Pacific Daylight Time
HNP - Heure Normale du Pacifique
UTC / GMT Offset
-7:00 hours during Pacific Daylight Time, currently in use.
-8:00 hours during Heure Normale du Pacifique.
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 3am Sunday, March 10, 2024 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 10, 2024, 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 1am Sunday, November 3, 2024 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 3, 2024, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

San Francisco Facts

Country
USA
State
California
Alternative Names
Franciscopolis, Frisco, Kapalakiko, Khiu-kim-san, Khiu-kîm-sân, Lungsod ng San Francisco, New Albion, SF, SFO, San Francisco, San Franciscu, San Francisko, San Fransisco, San Fransiskas, San Fransisko, San Frantzisko, San Phransisko, San-Francisko, San-Francyska, San-Fransisko, Sanfrancisko, Sao Francisco, São Francisco, Yerba Buena, can pirancisko, jiu jin shan, saenpeulan, saenpeulansiseuko, saina pharansisako, saina phransisko, san f ran si s ko, san fan shi, san fransskw, san fransyskw, san fransyskۆ, san phransisko, sana phransisako ka'unti, sana phransisko, sanfuranshisuko, sena phransisko, sn prnsysqw, syana phransisko, Σαν Φρανσίσκο, Сан Франсиско, Сан Франциско, Сан-Франциско, Сан-Францыска, Сан-Франціско, Սան Ֆրանցիսկո, סאן פראנציסקא, סן פרנסיסקו, سان فرانسسکو, سان فرانسيسكو, سان فرانسیسکو, سان فرانسیسکۆ, सॅन फ्रान्सिस्को, सैन फ्रांसिस्को, स्यान फ्रान्सिस्को, সান ফ্রান্সিসকো কাউন্টি, সান ফ্রান্সিস্কো, ਸੈਨ ਫਰਾਂਸਿਸਕੋ, சான் பிரான்சிஸ்கோ, శాన్ ఫ్రాన్సిస్కో, സാൻ ഫ്രാൻസിസ്കോ, සැන් ෆ්‍රැන්සිස්කෝ, ซานฟรานซิสโก, སན་ཧྥུ་རན་སིས་ཁོ, ဆန်ဖရန်စစ္စကိုမြို့, სან-ფრანცისკო, サンフランシスコ, 三藩市, 旧金山, 舊金山, 샌프란, 샌프란시스코
Population
864,816
Currency
Dollar (USD)
Geographic Coordinates
37° 46' N Latitude / 122° 25' W Longitude
International Dialing Code
+1

Universal Time Coordinated

Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

Melbourne Information

Time Zone

Abbreviation / Name
AEST - Australian Eastern Standard Time
AEDT - Australian Eastern Daylight Time
UTC / GMT Offset
+10:00 hours during Australian Eastern Standard Time, currently in use.
+11:00 hours during Australian Eastern Daylight Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, October 6, 2024 at 2:00 am local time. DST starts annually the on first Sunday of October. Clocks are turned forward 1 hour to Sunday, October 6, 2024, 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 3am to 2am Sunday, April 7, 2024 at 3:00 am local time. DST ends annually the on first Sunday of April. Clocks are turned backward 1 hour to Sunday, April 7, 2024, 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Melbourne Facts

Country
Australia
Alternative Names
MEL, Mel'burn, Melbourne, Melbourne City, Melbournum, Melburn, Melburna, Melburnas, Melburno, Melvourni, mel beirn, melaborna, melbeoleun, melbeon, melporn, meruborun, mlbwrn, mo er ben, Μελβούρνη, Мелбурн, Мелбърн, Мельбурн, מלבורן, ملبورن, مېلبۇرن, मेलबोर्न, மெல்போர்ன், เมลเบิร์น, མེར་བུན, メルボルン, 墨尔本, 墨爾本, 멜버른, 멜번
Population
4,246,375
Currency
Dollar (AUD)
Geographic Coordinates
37° 48' S Latitude / 144° 57' E Longitude
International Dialing Code
+61