Tiancheng to Porto time converter

Porto is 7 hours behind Tiancheng. When it is 9:00 AM in Tiancheng, it is 2:00 AM in Porto.

Tiancheng CST

Wednesday, October 21, 2026

Porto WEST

Wednesday, October 21, 2026

Tiancheng
China
Wed, Oct 21
CSTUTC+8
Porto
Portugal
Wed, Oct 21
WESTUTC+1-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Tiancheng to Porto conversion table

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

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

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in Tiancheng (9:00 AM – 11:00 AM in Porto).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 25, 2026: -7h
  • Oct 25, 2026 – Mar 28, 2027: -8h
  • Mar 28, 2027 – Oct 21, 2027: -7h

Distance

Tiancheng and Porto are 9,725 km (6,043 miles) apart in a straight line.

More conversions

Porto to TianchengTiancheng to New YorkTiancheng to LondonTiancheng to Los AngelesTiancheng to ChicagoTiancheng to TorontoTiancheng to São PauloTiancheng to ParisTiancheng to BerlinTiancheng to MoscowTiancheng to DubaiTiancheng to New DelhiTiancheng 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 Tiancheng and Porto?

Porto is 7 hours behind Tiancheng.

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

When it is 9:00 AM in Tiancheng, it is 2:00 AM in Porto.

When is the best time to call Porto from Tiancheng?

Both sides are at work from 4:00 PM – 6:00 PM in Tiancheng (9:00 AM – 11:00 AM in Porto).

Does the time difference between Tiancheng 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.