Nelson to Porto time converter

Porto is 12 hours behind Nelson. When it is 9:00 AM in Nelson, it is 9:00 PM (Sun, Oct 18) in Porto.

Nelson NZDT

Monday, October 19, 2026

Porto WEST

Monday, October 19, 2026

Nelson
New Zealand
Mon, Oct 19
NZDTUTC+13
Porto
Portugal
Mon, Oct 19
WESTUTC+1-12h
Finding your time zone…
Shared working hours (9:00–18:00)

Nelson to Porto conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Nelson (9:00 PM – 10:00 PM in Porto): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 19, 2026 – Oct 25, 2026: -12h
  • Oct 25, 2026 – Mar 28, 2027: -13h
  • Mar 28, 2027 – Apr 4, 2027: -12h
  • Apr 4, 2027 – Sep 26, 2027: -11h
  • Sep 26, 2027 – Oct 19, 2027: -12h

Distance

Nelson and Porto are 19,856 km (12,338 miles) apart in a straight line.

More conversions

Porto to NelsonNelson to New YorkNelson to LondonNelson to Los AngelesNelson to ChicagoNelson to TorontoNelson to São PauloNelson to ParisNelson to BerlinNelson to MoscowNelson to DubaiNelson to New DelhiNelson 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 Nelson and Porto?

Porto is 12 hours behind Nelson.

What time is it in Porto when it is 9 AM in Nelson?

When it is 9:00 AM in Nelson, it is 9:00 PM (Sun, Oct 18) in Porto.

When is the best time to call Porto from Nelson?

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Nelson (9:00 PM – 10:00 PM in Porto): working hours on one side, early or late on the other.

Does the time difference between Nelson 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.