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TimeZonar

Kolkata to San Francisco Meeting Planner

San Francisco is 12 hours 30 minutes behind Kolkata right now. Their working days don't overlap today.

Kolkata · India

9:07 AM

Sun, Oct 18 · IST

San Francisco · United States

8:37 PM

Sat, Oct 17 · PDT · summer time

Best Meeting Times Between Kolkata and San Francisco

No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 11:00 AM in Kolkata, which is 10:30 PM in San Francisco; consider splitting into two shorter meetings or shifting someone's hours.

Who's meeting

2 of 4 places
  • KolkataOrganizerIndia ·9:07AMnow
  • San FranciscoUnited States ·· summer time8:37PMYesterday · now

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in Kolkata time.

  1. 11:00AMBest · PossibleWorking hours in Kolkata (11:00); late evening in San Francisco (22:30, previous day).
  2. 10:30AMOption 2 · PossibleWorking hours in Kolkata (10:30); late evening in San Francisco (22:00, previous day).
  3. 10:00AMOption 3 · PossibleWorking hours in Kolkata (10:00); late evening in San Francisco (21:30, previous day).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a half hour of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
KolkataIST
San FranciscoPDT
UTC192021222300010203040506070809101112131415161718

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

  • Kolkata11:00 AM ISTSun, Oct 18
  • San Francisco10:30 PM PDTSat, Oct 17
  • UTC2026-10-18 05:30 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Kolkata and San Francisco

San Francisco is 12 hours 30 minutes behind Kolkata right now: San Francisco is on PDT (UTC-7) and Kolkata on IST (UTC+5:30). That changes on Sun, Nov 1, when clocks go back in San Francisco: then San Francisco is 13 hours 30 minutes behind Kolkata.

Time difference between Kolkata and San Francisco over the next 12 months
FromDifferenceWhy
NowSan Francisco 12 hours 30 minutes behind—
Sun, Nov 1San Francisco 13 hours 30 minutes behindClocks go back in San Francisco
Sun, Mar 14, 2027San Francisco 12 hours 30 minutes behindClocks go forward in San Francisco

Kolkata is on India Standard Time. San Francisco is on Pacific Standard Time.

Frequently Asked Questions: Kolkata & San Francisco Scheduling

What is the time difference between Kolkata and San Francisco?
San Francisco is 12 hours 30 minutes behind Kolkata right now: San Francisco is on PDT (UTC-7) and Kolkata on IST (UTC+5:30). That changes on Sun, Nov 1, when clocks go back in San Francisco: then San Francisco is 13 hours 30 minutes behind Kolkata.
What is the best time to schedule a meeting between Kolkata and San Francisco?
No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 11:00 AM in Kolkata, which is 10:30 PM in San Francisco; consider splitting into two shorter meetings or shifting someone's hours.
Does Kolkata observe daylight saving time?
No. Kolkata stays on IST (UTC+5:30) all year, so its clocks don't change.
Does San Francisco observe daylight saving time?
Yes. San Francisco is on PDT (UTC-7) now, and its clocks go back 1 hour on Sun, Nov 1, to PST (UTC-8).
What time is it in San Francisco when it's 9 AM in Kolkata?
8:30 PM in San Francisco, the day before (Sat, Oct 17, when it's Sun, Oct 18 in Kolkata).

Related Meeting Routes from Kolkata and San Francisco

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