Updating current time…
IST
12am
3am
6am
9am
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3pm
6pm
9pm
California, USAPDT
UTC−7
12h 30m behind
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9pm
San Diego's clocks go back 1 hour on Sun, Nov 1 · PDT → PST

Quick answers

Selected conversion

5:30 pm17:30 IST (UTC+5:30), Oct 18, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 18, 2026

IST is 12 hours and 30 minutes ahead of San Diego.

How the time difference changes

For most of the year, IST is 12 hours and 30 minutes ahead of San Diego. From Nov 1, 2026 to Mar 14, 2027, IST is 13 hours and 30 minutes ahead of San Diego.

For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 8:30 pm (previous day) to 5:30 am in San Diego. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 7:30 pm (previous day) to 4:30 am in San Diego.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 20:30 (previous day) to 05:30 in San Diego. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 19:30 (previous day) to 04:30 in San Diego.

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

Time Difference

India Standard Time is 12 hours and 30 minutes ahead of PDT (Pacific Daylight Time).
5:30 pm17:30 in IST is 5:00 am05:00 in San Diego, CA, USA

IST to San Diego call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in IST which corresponds to 7pm-8pm19:00-20:00 in San Diego (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
5:00 am05:00 PDT (Pacific Daylight Time) (San Diego, CA, USA). Offset UTC -7:00 hours

5:30 pm17:30 IST / 5:00 am05:00 San Diego, CA, USA

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Hourly time comparison
ISTSan Diego, CA, USA
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India Standard Time

Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: India

Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.

Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Current time in India: India time now

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2

San Diego Time Zone and Facts

Time Zone

Abbreviation / Offset
PDT – Pacific Daylight Time, UTC-7 (now, daylight saving time)
PST – Pacific Standard Time, UTC-8 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (PST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (PDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.

San Diego Facts

Country
USA
State
California
Alternative Names
Davis' Folly, Didacopolis, Graytown, Lungsod ng San Diego, New San Diego, SAN, San Diegas, San Diego, San Diegu, San Dijego, San Diyego, San Diyégo, San Miguel, San Ntienko, San-Diego, San-Dieqo, San-Dyega, Sandjego, can tiyeko, saendiego, saendieigo, saina di'ego, san diyago, san dyyghw, san-diego, sana di'ego, sana diyago, sandiego, sena diyego, sheng de ya ge, sn dygw, sn dyygw, syana di'ego, Σαν Ντιέγκο, Сан Диего, Сан Дијего, Сан-Диего, Сан-Дыега, Сан-Дієго, Սան Դիեգո, סאן דיעגא, סן דייגו, سان دييغو, سان ڈیاگو, سان ڈیگو, سن دیگو, सॅन डियेगो, सैन डिएगो, स्यान डिएगो, সান ডিয়াগো, ਸਾਨ ਦੀਏਗੋ, சான் டியேகோ, శాన్ డియాగో, แซนดีเอโก, სან-დიეგო, ሳንዲየጎ, サンディエゴ, 聖地牙哥, 샌디에고, 샌디에이고
Population
1,404,452
Currency
Dollar (USD)
Geographic Coordinates
32° 42' N Latitude / 117° 09' W Longitude
International Dialing Code
+1