Lạng Sơn to Porto time converter

Porto is 6 hours behind Lạng Sơn. When it is 9:00 AM in Lạng Sơn, it is 3:00 AM in Porto.

Lạng Sơn ICT

Tuesday, October 20, 2026

Porto WEST

Tuesday, October 20, 2026

Lạng Sơn
Vietnam
Tue, Oct 20
ICTUTC+7
Porto
Portugal
Tue, Oct 20
WESTUTC+1-6h
Finding your time zone…
Shared working hours (9:00–18:00)

Lạng Sơn to Porto conversion table

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

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

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in Lạng Sơn (9:00 AM – 12:00 PM in Porto).

Daylight saving time and the difference

The difference changes during the year because Lạng Sơn and Porto switch clocks on different dates:

  • Oct 20, 2026 – Oct 25, 2026: -6h
  • Oct 25, 2026 – Mar 28, 2027: -7h
  • Mar 28, 2027 – Oct 20, 2027: -6h

Distance

Lạng Sơn and Porto are 10,355 km (6,434 miles) apart in a straight line.

More conversions

Porto to Lạng SơnLạng Sơn to New YorkLạng Sơn to LondonLạng Sơn to Los AngelesLạng Sơn to ChicagoLạng Sơn to TorontoLạng Sơn to São PauloLạng Sơn to ParisLạng Sơn to BerlinLạng Sơn to MoscowLạng Sơn to DubaiLạng Sơn to New DelhiLạng Sơn to Bangkok
New York to PortoLondon to PortoLos Angeles to PortoChicago to PortoToronto to PortoSão Paulo to PortoParis to PortoBerlin to PortoMoscow to PortoDubai to PortoNew Delhi to PortoBangkok to Porto

Questions and answers

What is the time difference between Lạng Sơn and Porto?

Porto is 6 hours behind Lạng Sơn.

What time is it in Porto when it is 9 AM in Lạng Sơn?

When it is 9:00 AM in Lạng Sơn, it is 3:00 AM in Porto.

When is the best time to call Porto from Lạng Sơn?

Both sides are at work from 3:00 PM – 6:00 PM in Lạng Sơn (9:00 AM – 12:00 PM in Porto).

Does the time difference between Lạng Sơn and Porto change?

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