Oak Ridge to Lisbon time converter

Lisbon is 5 hours ahead of Oak Ridge. When it is 9:00 AM in Oak Ridge, it is 2:00 PM in Lisbon.

Oak Ridge EDT

Tuesday, October 20, 2026

Lisbon WEST

Tuesday, October 20, 2026

Oak Ridge
Tennessee, United States
Tue, Oct 20
EDTUTC-4
Lisbon
Portugal
Tue, Oct 20
WESTUTC+1+5h
Finding your time zone…
Shared working hours (9:00–18:00)

Oak Ridge to Lisbon conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 1:00 PM in Oak Ridge (2:00 PM – 6:00 PM in Lisbon).

Daylight saving time and the difference

The difference changes during the year because Oak Ridge and Lisbon switch clocks on different dates:

  • Oct 20, 2026 – Oct 24, 2026: +5h
  • Oct 24, 2026 – Nov 1, 2026: +4h
  • Nov 1, 2026 – Mar 14, 2027: +5h
  • Mar 14, 2027 – Mar 27, 2027: +4h
  • Mar 27, 2027 – Oct 20, 2027: +5h

Distance

Oak Ridge and Lisbon are 6,450 km (4,008 miles) apart in a straight line.

More conversions

Lisbon to Oak RidgeOak Ridge to New YorkOak Ridge to LondonOak Ridge to Los AngelesOak Ridge to ChicagoOak Ridge to TorontoOak Ridge to São PauloOak Ridge to ParisOak Ridge to BerlinOak Ridge to MoscowOak Ridge to DubaiOak Ridge to New DelhiOak Ridge to Bangkok
New York to LisbonLondon to LisbonLos Angeles to LisbonChicago to LisbonToronto to LisbonSão Paulo to LisbonParis to LisbonBerlin to LisbonMoscow to LisbonDubai to LisbonNew Delhi to LisbonBangkok to Lisbon

Questions and answers

What is the time difference between Oak Ridge and Lisbon?

Lisbon is 5 hours ahead of Oak Ridge.

What time is it in Lisbon when it is 9 AM in Oak Ridge?

When it is 9:00 AM in Oak Ridge, it is 2:00 PM in Lisbon.

When is the best time to call Lisbon from Oak Ridge?

Both sides are at work from 9:00 AM – 1:00 PM in Oak Ridge (2:00 PM – 6:00 PM in Lisbon).

Does the time difference between Oak Ridge and Lisbon change?

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