Saint Petersburg to Altadena time converter

Altadena is 10 hours behind Saint Petersburg. When it is 9:00 AM in Saint Petersburg, it is 11:00 PM (Tue, Oct 20) in Altadena.

Saint Petersburg MSK

Wednesday, October 21, 2026

Altadena PDT

Wednesday, October 21, 2026

Saint Petersburg
St.-Petersburg, Russia
Wed, Oct 21
MSKUTC+3
Altadena
California, United States
Wed, Oct 21
PDTUTC-7-10h
Finding your time zone…
Shared working hours (9:00–18:00)

Saint Petersburg to Altadena conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 21, 2026 – Nov 1, 2026: -10h
  • Nov 1, 2026 – Mar 14, 2027: -11h
  • Mar 14, 2027 – Oct 21, 2027: -10h

Distance

Saint Petersburg and Altadena are 9,156 km (5,689 miles) apart in a straight line.

More conversions

Altadena to Saint PetersburgSaint Petersburg to New YorkSaint Petersburg to LondonSaint Petersburg to Los AngelesSaint Petersburg to ChicagoSaint Petersburg to TorontoSaint Petersburg to São PauloSaint Petersburg to ParisSaint Petersburg to BerlinSaint Petersburg to MoscowSaint Petersburg to DubaiSaint Petersburg to New DelhiSaint Petersburg to Bangkok
New York to AltadenaLondon to AltadenaLos Angeles to AltadenaChicago to AltadenaToronto to AltadenaSão Paulo to AltadenaParis to AltadenaBerlin to AltadenaMoscow to AltadenaDubai to AltadenaNew Delhi to AltadenaBangkok to Altadena

Questions and answers

What is the time difference between Saint Petersburg and Altadena?

Altadena is 10 hours behind Saint Petersburg.

What time is it in Altadena when it is 9 AM in Saint Petersburg?

When it is 9:00 AM in Saint Petersburg, it is 11:00 PM (Tue, Oct 20) in Altadena.

When is the best time to call Altadena from Saint Petersburg?

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

Does the time difference between Saint Petersburg and Altadena change?

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