Istanbul to Port Arthur time converter

Port Arthur is 8 hours behind Istanbul. When it is 9:00 AM in Istanbul, it is 1:00 AM in Port Arthur.

Istanbul TRT

Thursday, October 22, 2026

Port Arthur CDT

Wednesday, October 21, 2026

Istanbul
Turkey
Thu, Oct 22
TRTUTC+3
Port Arthur
Texas, United States
Wed, Oct 21
CDTUTC-5-8h
Finding your time zone…
Shared working hours (9:00–18:00)

Istanbul to Port Arthur conversion table

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

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

Best time to call or meet

Both sides are at work from 5:00 PM – 6:00 PM in Istanbul (9:00 AM – 10:00 AM in Port Arthur).

Daylight saving time and the difference

The difference changes during the year because Istanbul and Port Arthur switch clocks on different dates:

  • Oct 22, 2026 – Nov 1, 2026: -8h
  • Nov 1, 2026 – Mar 14, 2027: -9h
  • Mar 14, 2027 – Oct 22, 2027: -8h

Distance

Istanbul and Port Arthur are 10,188 km (6,331 miles) apart in a straight line.

More conversions

Port Arthur to IstanbulIstanbul to New YorkIstanbul to LondonIstanbul to Los AngelesIstanbul to ChicagoIstanbul to TorontoIstanbul to São PauloIstanbul to ParisIstanbul to BerlinIstanbul to MoscowIstanbul to DubaiIstanbul to New DelhiIstanbul to Bangkok
New York to Port ArthurLondon to Port ArthurLos Angeles to Port ArthurChicago to Port ArthurToronto to Port ArthurSão Paulo to Port ArthurParis to Port ArthurBerlin to Port ArthurMoscow to Port ArthurDubai to Port ArthurNew Delhi to Port ArthurBangkok to Port Arthur

Questions and answers

What is the time difference between Istanbul and Port Arthur?

Port Arthur is 8 hours behind Istanbul.

What time is it in Port Arthur when it is 9 AM in Istanbul?

When it is 9:00 AM in Istanbul, it is 1:00 AM in Port Arthur.

When is the best time to call Port Arthur from Istanbul?

Both sides are at work from 5:00 PM – 6:00 PM in Istanbul (9:00 AM – 10:00 AM in Port Arthur).

Does the time difference between Istanbul and Port Arthur change?

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