Rio de Janeiro to Grantham time converter

Grantham is 4 hours ahead of Rio de Janeiro. When it is 9:00 AM in Rio de Janeiro, it is 1:00 PM in Grantham.

Rio de Janeiro BRT

Tuesday, October 20, 2026

Grantham BST

Tuesday, October 20, 2026

Rio de Janeiro
Brazil
Tue, Oct 20
BRTUTC-3
Grantham
United Kingdom
Tue, Oct 20
BSTUTC+1+4h
Finding your time zone…
Shared working hours (9:00–18:00)

Rio de Janeiro to Grantham conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 2:00 PM in Rio de Janeiro (1:00 PM – 6:00 PM in Grantham).

Daylight saving time and the difference

The difference changes during the year because Rio de Janeiro and Grantham switch clocks on different dates:

  • Oct 20, 2026 – Oct 24, 2026: +4h
  • Oct 24, 2026 – Mar 27, 2027: +3h
  • Mar 27, 2027 – Oct 20, 2027: +4h

Distance

Rio de Janeiro and Grantham are 9,377 km (5,827 miles) apart in a straight line.

More conversions

Grantham 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 GranthamLondon to GranthamLos Angeles to GranthamChicago to GranthamToronto to GranthamSão Paulo to GranthamParis to GranthamBerlin to GranthamMoscow to GranthamDubai to GranthamNew Delhi to GranthamBangkok to Grantham

Questions and answers

What is the time difference between Rio de Janeiro and Grantham?

Grantham is 4 hours ahead of Rio de Janeiro.

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

When it is 9:00 AM in Rio de Janeiro, it is 1:00 PM in Grantham.

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

Both sides are at work from 9:00 AM – 2:00 PM in Rio de Janeiro (1:00 PM – 6:00 PM in Grantham).

Does the time difference between Rio de Janeiro and Grantham change?

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