Time difference between Calgary and Istanbul
10 hours
Istanbul is 10 hours ahead of Calgary.
Does daylight saving change it?
Yes. In winter the gap is 10 hours; in summer it is 9 hours. Only Calgary observes daylight saving.
Overlapping work hours
During Calgary work hours (09:00–18:00) Istanbul is off the clock. One side has to take an early morning or a late evening.
Calgary time → Istanbul time
| 00:00 | 10:00 |
|---|---|
| 01:00 | 11:00 |
| 02:00 | 12:00 |
| 03:00 | 13:00 |
| 04:00 | 14:00 |
| 05:00 | 15:00 |
| 06:00 | 16:00 |
| 07:00 | 17:00 |
| 08:00 | 18:00 |
| 09:00 | 19:00 |
| 10:00 | 20:00 |
| 11:00 | 21:00 |
| 12:00 | 22:00 |
| 13:00 | 23:00 |
| 14:00 | 00:00next day |
| 15:00 | 01:00next day |
| 16:00 | 02:00next day |
| 17:00 | 03:00next day |
| 18:00 | 04:00next day |
| 19:00 | 05:00next day |
| 20:00 | 06:00next day |
| 21:00 | 07:00next day |
| 22:00 | 08:00next day |
| 23:00 | 09:00next day |
Standard time (January). During daylight saving each row shifts by an hour.
Frequently asked questions
Q. How many hours is Calgary ahead of Istanbul?
10 hours on standard time. During daylight saving it becomes 9 hours, an hour more or less.
Q. What time is it in Istanbul when it is noon in Calgary?
Read the 12:00 row of the 24-hour table below. The table is on standard time, so each row shifts an hour during daylight saving.
Q. When should we schedule a meeting?
The work hours do not overlap at all. One side has to take an early morning or a late evening.