Paris to Altadena time converter

Altadena is 9 hours behind Paris. When it is 9:00 AM in Paris, it is 12:00 AM in Altadena.

Paris CEST

Saturday, October 17, 2026

Altadena PDT

Saturday, October 17, 2026

France
Sat, Oct 17
CESTUTC+2
California, United States
Sat, Oct 17
PDTUTC-7-9h
Finding your time zone…

10:33 PM in Paris, Saturday, October 17, 2026

Shared working hours (9:00–18:00)

Paris to Altadena conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Paris (7:00 AM – 9:00 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 Paris and Altadena switch clocks on different dates:

  • Oct 17, 2026 – Oct 25, 2026: -9h
  • Oct 25, 2026 – Nov 1, 2026: -8h
  • Nov 1, 2026 – Mar 14, 2027: -9h
  • Mar 14, 2027 – Mar 28, 2027: -8h
  • Mar 28, 2027 – Oct 17, 2027: -9h

Distance

Paris and Altadena are 9,067 km (5,634 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Paris and Altadena?

Altadena is 9 hours behind Paris.

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

When it is 9:00 AM in Paris, it is 12:00 AM in Altadena.

When is the best time to call Altadena from Paris?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Paris (7:00 AM – 9:00 AM in Altadena): working hours on one side, early or late on the other.

Does the time difference between Paris 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.