Istanbul to Regensburg time converter

Regensburg is 1 hour behind Istanbul. When it is 9:00 AM in Istanbul, it is 8:00 AM in Regensburg.

Istanbul TRT

Wednesday, October 21, 2026

Regensburg CEST

Wednesday, October 21, 2026

Istanbul
Turkey
Wed, Oct 21
TRTUTC+3
Regensburg
Germany
Wed, Oct 21
CESTUTC+2-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Istanbul to Regensburg conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 25, 2026: -1h
  • Oct 25, 2026 – Mar 28, 2027: -2h
  • Mar 28, 2027 – Oct 21, 2027: -1h

Distance

Istanbul and Regensburg are 1,590 km (988 miles) apart in a straight line.

More conversions

Regensburg 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 RegensburgLondon to RegensburgLos Angeles to RegensburgChicago to RegensburgToronto to RegensburgSão Paulo to RegensburgParis to RegensburgBerlin to RegensburgMoscow to RegensburgDubai to RegensburgNew Delhi to RegensburgBangkok to Regensburg

Questions and answers

What is the time difference between Istanbul and Regensburg?

Regensburg is 1 hour behind Istanbul.

What time is it in Regensburg when it is 9 AM in Istanbul?

When it is 9:00 AM in Istanbul, it is 8:00 AM in Regensburg.

When is the best time to call Regensburg from Istanbul?

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

Does the time difference between Istanbul and Regensburg change?

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