Waltham to Istanbul time converter

Istanbul is 7 hours ahead of Waltham. When it is 9:00 AM in Waltham, it is 4:00 PM in Istanbul.

Waltham EDT

Tuesday, October 20, 2026

Istanbul TRT

Wednesday, October 21, 2026

Waltham
Massachusetts, United States
Tue, Oct 20
EDTUTC-4
Istanbul
Turkey
Wed, Oct 21
TRTUTC+3+7h
Finding your time zone…
Shared working hours (9:00–18:00)

Waltham to Istanbul conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 20, 2026 – Nov 1, 2026: +7h
  • Nov 1, 2026 – Mar 14, 2027: +8h
  • Mar 14, 2027 – Oct 20, 2027: +7h

Distance

Waltham and Istanbul are 7,772 km (4,829 miles) apart in a straight line.

More conversions

Istanbul to WalthamWaltham to New YorkWaltham to LondonWaltham to Los AngelesWaltham to ChicagoWaltham to TorontoWaltham to São PauloWaltham to ParisWaltham to BerlinWaltham to MoscowWaltham to DubaiWaltham to New DelhiWaltham to Bangkok
New York to IstanbulLondon to IstanbulLos Angeles to IstanbulChicago to IstanbulToronto to IstanbulSão Paulo to IstanbulParis to IstanbulBerlin to IstanbulMoscow to IstanbulDubai to IstanbulNew Delhi to IstanbulBangkok to Istanbul

Questions and answers

What is the time difference between Waltham and Istanbul?

Istanbul is 7 hours ahead of Waltham.

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

When it is 9:00 AM in Waltham, it is 4:00 PM in Istanbul.

When is the best time to call Istanbul from Waltham?

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

Does the time difference between Waltham and Istanbul change?

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