Offset
The time difference between Istanbul and Indianapolis is 7 hours.
Istanbul (TRT) is ahead of Indianapolis (EDT).
TRT: UTC+3
EDT: UTC-4
Indianapolis is currently observing daylight saving time; Istanbul is not.
When to schedule
Business-hours overlap: 4 PM–5 PM in Istanbul (9 AM–10 AM in Indianapolis).
Both teams are in working hours during this window on weekdays.
Suggested time: 4:00 PM Istanbul (9:00 AM Indianapolis).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Turkey
- New Year's DayThu, Jan 1
- National Independence & Children's DayThu, Apr 23
- Labour DayFri, May 1
- Atatürk Commemoration & Youth DayTue, May 19
- Democracy and National Unity DayWed, Jul 15
- Victory DaySun, Aug 30
- Republic DayThu, Oct 29
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
About these zones
Istanbul uses Turkey Time (TRT). To call Turkey, dial +90.
Indianapolis uses Eastern Time (EST, or EDT). To call United States, dial +1.
Indianapolis is approximately 5,550 miles northwest of Istanbul.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Istanbul | Indianapolis | Day |
|---|---|---|
| 12:00 am | 5:00 pm | -1 day |
| 1:00 am | 6:00 pm | -1 day |
| 2:00 am | 7:00 pm | -1 day |
| 3:00 am | 8:00 pm | -1 day |
| 4:00 am | 9:00 pm | -1 day |
| 5:00 am | 10:00 pm | -1 day |
| 6:00 am | 11:00 pm | -1 day |
| 7:00 am | 12:00 am | Same day |
| 8:00 am | 1:00 am | Same day |
| 9:00 am | 2:00 am | Same day |
| 10:00 am | 3:00 am | Same day |
| 11:00 am | 4:00 am | Same day |
| 12:00 pm | 5:00 am | Same day |
| 1:00 pm | 6:00 am | Same day |
| 2:00 pm | 7:00 am | Same day |
| 3:00 pm | 8:00 am | Same day |
| 4:00 pm | 9:00 am | Same day |
| 5:00 pm | 10:00 am | Same day |
| 6:00 pm | 11:00 am | Same day |
| 7:00 pm | 12:00 pm | Same day |
| 8:00 pm | 1:00 pm | Same day |
| 9:00 pm | 2:00 pm | Same day |
| 10:00 pm | 3:00 pm | Same day |
| 11:00 pm | 4:00 pm | Same day |
Daylight saving time
Indianapolis observes daylight saving time; Istanbul does not. The offset between the two zones changes when Indianapolis transitions: on Sunday, November 1, 2026, clocks fall back from EDT to EST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 7:24 AM
- Sunset
- 6:15 PM
- Day length
- 10h 52m
- Sunrise
- 8:02 AM
- Sunset
- 6:58 PM
- Day length
- 10h 56m
Cities in these zones
Other cities in Turkey Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Turkey Time
- IST
- SAW
- ESB
- YEI
- ADB
- GZT
- DIY
- ADA
- COV
- ASR
Airports in Eastern Time
- IND
Related conversions
Common conversions
- What is 9:00 am Istanbul in Indianapolis?
- 9:00 am Istanbul is 2:00 am Indianapolis.
- What is 12:00 pm Istanbul in Indianapolis?
- 12:00 pm Istanbul is 5:00 am Indianapolis.
- What is 12:30 pm Istanbul in Indianapolis?
- 12:30 pm Istanbul is 5:30 am Indianapolis.
- What is 2:00 pm Istanbul in Indianapolis?
- 2:00 pm Istanbul is 7:00 am Indianapolis.
- What is 5:00 pm Istanbul in Indianapolis?
- 5:00 pm Istanbul is 10:00 am Indianapolis.
- What is 11:30 pm Istanbul in Indianapolis?
- 11:30 pm Istanbul is 4:30 pm Indianapolis.