Time in Istanbul vs Patna
Istanbul keeps UTC+3 (UTC+3) and Patna keeps IST (UTC+5:30) today. Patna is 2½ hours ahead of Istanbul; the rows below read both clocks live.
The working day, side by side
Hours shaded in both rows are inside working hours in both cities: 12:00–18:00 in Patna (09:00–15:00 your time).
| City | 00:00 in Istanbul | 01:00 in Istanbul | 02:00 in Istanbul | 03:00 in Istanbul | 04:00 in Istanbul | 05:00 in Istanbul | 06:00 in Istanbul | 07:00 in Istanbul | 08:00 in Istanbul | 09:00 in Istanbul | 10:00 in Istanbul | 11:00 in Istanbul | 12:00 in Istanbul | 13:00 in Istanbul | 14:00 in Istanbul | 15:00 in Istanbul | 16:00 in Istanbul | 17:00 in Istanbul | 18:00 in Istanbul | 19:00 in Istanbul | 20:00 in Istanbul | 21:00 in Istanbul | 22:00 in Istanbul | 23:00 in Istanbul |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Istanbul—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Patna—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with Istanbul and Patna
Best hours to call
09:00 in Istanbul
Inside working hours on both sides
12:00 in Patna
10:00 in Istanbul
Inside working hours on both sides
13:00 in Patna
11:00 in Istanbul
Inside working hours on both sides
14:00 in Patna
12:00 in Istanbul
Inside working hours on both sides
15:00 in Patna
Where daylight saving pulls them apart
Neither Istanbul nor Patna changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Patna of Istanbul?
Patna is 2½ hours ahead of Istanbul right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Istanbul and Patna?
Any hour in 09:00–15:00 Istanbul time is inside working hours in both cities.
Do Istanbul and Patna change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.