Offset
The time difference between Istanbul and Santa Cruz de la Sierra is 7 hours.
Istanbul (TRT) is ahead of Santa Cruz de la Sierra (GMT-4).
TRT: UTC+3
GMT-4: UTC-4
Neither Istanbul nor Santa Cruz de la Sierra is currently observing daylight saving time.
When to schedule
Business-hours overlap: 4 PM–5 PM in Istanbul (9 AM–10 AM in Santa Cruz de la Sierra).
Both teams are in working hours during this window on weekdays.
Suggested time: 4:00 PM Istanbul (9:00 AM Santa Cruz de la Sierra).
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
Bolivia
- New Year's DayThu, Jan 1
- Feast of the Virgin of CandelariaMon, Feb 2
- CarnivalMon, Feb 16
- CarnivalTue, Feb 17
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- Corpus ChristiThu, Jun 4
- Andean New YearSun, Jun 21
- Agrarian Reform DaySun, Aug 2
- Independence DayThu, Aug 6
- All Saints' DayMon, Nov 2
- Christmas DayFri, Dec 25
About these zones
Istanbul uses Turkey Time (TRT). To call Turkey, dial +90.
Santa Cruz de la Sierra uses Bolivia Time. To call Bolivia, dial +591.
Santa Cruz de la Sierra is approximately 7,150 miles west of Istanbul.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Istanbul | Santa Cruz de la Sierra | 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
Neither Istanbul nor Santa Cruz de la Sierra observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:50 AM
- Sunset
- 8:32 PM
- Day length
- 14h 42m
- Sunrise
- 6:44 AM
- Sunset
- 5:56 PM
- Day length
- 11h 12m
Cities in these zones
Other cities in Turkey Time
Other cities in Bolivia 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 Bolivia Time
- LPB
- SRZ
- VVI
Related conversions
Common conversions
- What is 9:00 am Istanbul in Santa Cruz de la Sierra?
- 9:00 am Istanbul is 2:00 am Santa Cruz de la Sierra.
- What is 12:00 pm Istanbul in Santa Cruz de la Sierra?
- 12:00 pm Istanbul is 5:00 am Santa Cruz de la Sierra.
- What is 12:30 pm Istanbul in Santa Cruz de la Sierra?
- 12:30 pm Istanbul is 5:30 am Santa Cruz de la Sierra.
- What is 2:00 pm Istanbul in Santa Cruz de la Sierra?
- 2:00 pm Istanbul is 7:00 am Santa Cruz de la Sierra.
- What is 5:00 pm Istanbul in Santa Cruz de la Sierra?
- 5:00 pm Istanbul is 10:00 am Santa Cruz de la Sierra.
- What is 11:30 pm Istanbul in Santa Cruz de la Sierra?
- 11:30 pm Istanbul is 4:30 pm Santa Cruz de la Sierra.