Santiago to Altadena time converter

Altadena is 4 hours behind Santiago. When it is 9:00 AM in Santiago, it is 5:00 AM in Altadena.

Santiago CLST

Tuesday, October 20, 2026

Altadena PDT

Tuesday, October 20, 2026

Santiago
Chile
Tue, Oct 20
CLSTUTC-3
Altadena
California, United States
Tue, Oct 20
PDTUTC-7-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Santiago to Altadena conversion table

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

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

Best time to call or meet

Both sides are at work from 1:00 PM – 6:00 PM in Santiago (9:00 AM – 2:00 PM in Altadena).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Nov 1, 2026: -4h
  • Nov 1, 2026 – Mar 14, 2027: -5h
  • Mar 14, 2027 – Apr 3, 2027: -4h
  • Apr 3, 2027 – Sep 5, 2027: -3h
  • Sep 5, 2027 – Oct 20, 2027: -4h

Distance

Santiago and Altadena are 9,006 km (5,596 miles) apart in a straight line.

More conversions

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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 Santiago and Altadena?

Altadena is 4 hours behind Santiago.

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

When it is 9:00 AM in Santiago, it is 5:00 AM in Altadena.

When is the best time to call Altadena from Santiago?

Both sides are at work from 1:00 PM – 6:00 PM in Santiago (9:00 AM – 2:00 PM in Altadena).

Does the time difference between Santiago 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.