Does Istanbul observe daylight saving time?

No. Istanbul stays on TRT (UTC+3) 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 Istanbul?

11:00 PM in San Francisco, the day before (Sat, Oct 17, when it's Sun, Oct 18 in Istanbul).

Istanbul to San Francisco Meeting Planner

San Francisco is 10 hours behind Istanbul right now. Their working days don't overlap today.

Istanbul · Turkey

2:54 AM

Sun, Oct 18 · TRT

San Francisco · United States

4:54 PM

Sat, Oct 17 · PDT · summer time

Best Meeting Times Between Istanbul and San Francisco

No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 7:00 PM in Istanbul, which is 9:00 AM in San Francisco; consider splitting into two shorter meetings or shifting someone's hours.

Who's meeting

2 of 4 places

IstanbulOrganizerTurkey ·2:54AMnow
San FranciscoUnited States ·· summer time4:54PMYesterday · now

Add a city

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

Date in Istanbul

Working hours, everywhere

Best times to meet

Sunday, October 18, 2026, in Istanbul time.

7:00PMBest · GoodWorking hours in San Francisco (09:00); just outside working hours in Istanbul (19:00).
8:00PMOption 2 · PossibleWorking hours in San Francisco (10:00); late evening in Istanbul (20:00).
9:00PMOption 3 · PossibleWorking hours in San Francisco (11:00); late evening in Istanbul (21:00).

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 one-hour slot 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
IstanbulUTC+3
San FranciscoPDT
UTC	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20

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

Your meeting

Istanbul7:00 PM UTC+3Sun, Oct 18
San Francisco9:00 AM PDTSun, Oct 18
UTC2026-10-18 16:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Istanbul and San Francisco

San Francisco is 10 hours behind Istanbul right now: San Francisco is on PDT (UTC-7) and Istanbul on TRT (UTC+3). That changes on Sun, Nov 1, when clocks go back in San Francisco: then San Francisco is 11 hours behind Istanbul.

Time difference between Istanbul and San Francisco over the next 12 months
From	Difference	Why
Now	San Francisco 10 hours behind	—
Sun, Nov 1	San Francisco 11 hours behind	Clocks go back in San Francisco
Sun, Mar 14, 2027	San Francisco 10 hours behind	Clocks go forward in San Francisco

Istanbul is on Turkey Time. San Francisco is on Pacific Standard Time.

Frequently Asked Questions: Istanbul & San Francisco Scheduling

What is the time difference between Istanbul and San Francisco?: San Francisco is 10 hours behind Istanbul right now: San Francisco is on PDT (UTC-7) and Istanbul on TRT (UTC+3). That changes on Sun, Nov 1, when clocks go back in San Francisco: then San Francisco is 11 hours behind Istanbul.
What is the best time to schedule a meeting between Istanbul and San Francisco?: No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 7:00 PM in Istanbul, which is 9:00 AM in San Francisco; consider splitting into two shorter meetings or shifting someone's hours.
Does Istanbul observe daylight saving time?: No. Istanbul stays on TRT (UTC+3) 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 Istanbul?: 11:00 PM in San Francisco, the day before (Sat, Oct 17, when it's Sun, Oct 18 in Istanbul).

Or see every city pair, or plan with more places in the meeting planner.