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Istanbul is -1h behind Yerevan
Quick converter
FROM
Yerevan
Armenia
UTC+04:00
TO
Istanbul
Turkey
UTC+03:00
Date-aware conversion
Result
Fri, Jul 17, 2026 01:08
Yerevan: Friday, July 17, 2026 2:08 AM GMT+4 to Istanbul: Friday, July 17, 2026 1:08 AM GMT+3.
Istanbul is 1h behind Yerevan on this date
Every hour in Yerevan and the corresponding time in Istanbul. Green rows indicate business hours in Istanbul.
Time zones
Yerevan uses Asia/Yerevan (GMT+4) and Istanbul uses Europe/Istanbul (GMT+3). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in Istanbul. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
The easiest overlap starts around 10:00 AM and runs through 5:00 PM in the source city, while the destination city is also inside normal working hours. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
Compare meeting hoursQuick examples
City context
Yerevan is located in Armenia (Asia). It uses the Asia/Yerevan timezone with a standard offset of UTC+04:00. It observes DST, switching between AMT and AMST. See the full Yerevan time page for live clock and planning details.
Istanbul is located in Turkey (Europe). It uses the Europe/Istanbul timezone with a standard offset of UTC+03:00. It does not observe Daylight Saving Time. See the full Istanbul time page for live clock and planning details.
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