Altadena to Istanbul time converter

Istanbul is 10 hours ahead of Altadena. When it is 9:00 AM in Altadena, it is 7:00 PM in Istanbul.

Altadena PDT

Monday, October 19, 2026

Istanbul TRT

Monday, October 19, 2026

Altadena
California, United States
Mon, Oct 19
PDTUTC-7
Istanbul
Turkey
Mon, Oct 19
TRTUTC+3+10h
Finding your time zone…
Shared working hours (9:00–18:00)

Altadena to Istanbul conversion table

Every hour of today in Altadena and the matching time in Istanbul. Light rows are typical working hours (9:00–18:00).

AltadenaIstanbul
12:00 AM10:00 AM
1:00 AM11:00 AM
2:00 AM12:00 PM
3:00 AM1:00 PM
4:00 AM2:00 PM
5:00 AM3:00 PM
6:00 AM4:00 PM
7:00 AM5:00 PM
8:00 AM6:00 PM
9:00 AM7:00 PM
10:00 AM8:00 PM
11:00 AM9:00 PM
12:00 PM10:00 PM
1:00 PM11:00 PM
2:00 PM12:00 AM+1 day
3:00 PM1:00 AM+1 day
4:00 PM2:00 AM+1 day
5:00 PM3:00 AM+1 day
6:00 PM4:00 AM+1 day
7:00 PM5:00 AM+1 day
8:00 PM6:00 AM+1 day
9:00 PM7:00 AM+1 day
10:00 PM8:00 AM+1 day
11:00 PM9:00 AM+1 day

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Altadena (5:00 PM – 6:00 PM in Istanbul): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Altadena and Istanbul switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: +10h
  • Nov 1, 2026 – Mar 14, 2027: +11h
  • Mar 14, 2027 – Oct 19, 2027: +10h

Distance

Altadena and Istanbul are 11,000 km (6,835 miles) apart in a straight line.

More conversions

Istanbul to AltadenaAltadena to New YorkAltadena to LondonAltadena to Los AngelesAltadena to ChicagoAltadena to TorontoAltadena to São PauloAltadena to ParisAltadena to BerlinAltadena to MoscowAltadena to DubaiAltadena to New DelhiAltadena to Bangkok
New York to IstanbulLondon to IstanbulLos Angeles to IstanbulChicago to IstanbulToronto to IstanbulSão Paulo to IstanbulParis to IstanbulBerlin to IstanbulMoscow to IstanbulDubai to IstanbulNew Delhi to IstanbulBangkok to Istanbul

Questions and answers

What is the time difference between Altadena and Istanbul?

Istanbul is 10 hours ahead of Altadena.

What time is it in Istanbul when it is 9 AM in Altadena?

When it is 9:00 AM in Altadena, it is 7:00 PM in Istanbul.

When is the best time to call Istanbul from Altadena?

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Altadena (5:00 PM – 6:00 PM in Istanbul): working hours on one side, early or late on the other.

Does the time difference between Altadena and Istanbul change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.