India
IST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
California, USA
PST
12am
3am
6am
9am
12pm
3pm
6pm
9pm

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

Time Difference

IST (India Standard Time) is 13 hours and 30 minutes ahead of PST (Pacific Standard Time)
5:30 pm17:30 in Chennai, India is 4:00 am04:00 in San Francisco, CA, USA

Chennai to San Francisco call time
Best time for a conference call or a meeting is between 7:30am-8:30am in Chennai which corresponds to 6pm-7pm in San Francisco (previous day)

5:30 pm17:30 IST (India Standard Time) (Chennai, India). Offset UTC +5:30 hours
4:00 am04:00 PST (Pacific Standard Time) (San Francisco, CA, USA). Offset UTC -8:00 hours

5:30 pm17:30 Chennai, India / 4:00 am04:00 San Francisco, CA, USA

Chennai, IndiaSan Francisco, CA, USA
12am (midnight)10:30 am
1am11:30 am
2am12:30 pm
3am1:30 pm
4am2:30 pm
5am3:30 pm
6am4:30 pm
7am5:30 pm
8am6:30 pm
9am7:30 pm
10am8:30 pm
11am9:30 pm
12pm (noon)10:30 pm
1pm11:30 pm
2pm12:30 am
3pm1:30 am
4pm2:30 am
5pm3:30 am
6pm4:30 am
7pm5:30 am
8pm6:30 am
9pm7:30 am
10pm8:30 am
11pm9:30 am
00:0010:30
01:0011:30
02:0012:30
03:0013:30
04:0014:30
05:0015:30
06:0016:30
07:0017:30
08:0018:30
09:0019:30
10:0020:30
11:0021:30
12:0022:30
13:0023:30
14:0000:30
15:0001:30
16:0002:30
17:0003:30
18:0004:30
19:0005:30
20:0006:30
21:0007:30
22:0008:30
23:0009:30

Chennai Information

Time Zone

Abbreviation / Name
IST - India Standard Time
UTC / GMT Offset
+5:30 hours during India Standard Time, currently in use.

Chennai Facts

Country
India
Alternative Names
Cenaj, Cenajo, Cenajus, Cenay, Cennai, Cennaj, Chehnai, Chenaj, Chennai, Chennai - cennai, Chennai - சென்னை, Chennaj, Csennai, MAA, Maderaspatanum, Madras, Madrás, Tamizhagam, Tamulinadu, Tsennai, cen ni, cena'i, cenna'i, cennai, chen'nai, chenai, chennai, chnay, chnayy, chynay, chynayy, jin nai, qing nai, tshynay, znʼy, Çenay, Çennai, Ćennaj, Ĉenajo, Čenaj, Čenajus, Čennai, Čennaí, Τσεννάι, Ченай, Ченај, Ченнаи, Ченнай, Ченнаї, Чэнаі, Չեննայ, צנאי, تشيناي, چنائی, چنای, چينای, چینائی, चेन्नई, चेन्नै, চেন্নাই, ਚੇਨਈ, ચેન્નઈ, ଚେନ୍ନାଇ, சென்னை, చెన్నై, ಚೆನ್ನೈ, ചെന്നൈ, චෙන්නායි, เจนไน, ချန်နိုင်းမြို့, ჩენაი, チェンナイ, 清奈, 金奈, 첸나이
Population
4,328,063
Currency
Rupee (INR)
Geographic Coordinates
13° 05' N Latitude / 80° 16' E Longitude
International Dialing Code
+91

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.

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