Rio de Janeiro to San Juan time converter

San Juan is 1 hour behind Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 8:00 AM in San Juan.

Rio de Janeiro BRT

Wednesday, October 21, 2026

San Juan AST

Wednesday, October 21, 2026

Rio de Janeiro
Brazil
Wed, Oct 21
BRTUTC-3
San Juan
Puerto Rico
Wed, Oct 21
ASTUTC-4-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio de Janeiro to San Juan conversion table

Every hour of today in Rio de Janeiro and the matching time in San Juan. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Both sides are at work from 10:00 AM – 6:00 PM in Rio de Janeiro (9:00 AM – 5:00 PM in San Juan).

Daylight saving time and the difference

The difference stays 1 hour all year.

Distance

Rio de Janeiro and San Juan are 5,231 km (3,250 miles) apart in a straight line.

More conversions

San Juan to Rio de JaneiroRio de Janeiro to New YorkRio de Janeiro to LondonRio de Janeiro to Los AngelesRio de Janeiro to ChicagoRio de Janeiro to TorontoRio de Janeiro to São PauloRio de Janeiro to ParisRio de Janeiro to BerlinRio de Janeiro to MoscowRio de Janeiro to DubaiRio de Janeiro to New DelhiRio de Janeiro to Bangkok
New York to San JuanLondon to San JuanLos Angeles to San JuanChicago to San JuanToronto to San JuanSão Paulo to San JuanParis to San JuanBerlin to San JuanMoscow to San JuanDubai to San JuanNew Delhi to San JuanBangkok to San Juan

Questions and answers

What is the time difference between Rio de Janeiro and San Juan?

San Juan is 1 hour behind Rio de Janeiro.

What time is it in San Juan when it is 9 AM in Rio de Janeiro?

When it is 9:00 AM in Rio de Janeiro, it is 8:00 AM in San Juan.

When is the best time to call San Juan from Rio de Janeiro?

Both sides are at work from 10:00 AM – 6:00 PM in Rio de Janeiro (9:00 AM – 5:00 PM in San Juan).

Does the time difference between Rio de Janeiro and San Juan change?

No. The difference stays 1 hour all year.