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Global ClockTime zone converter & meeting planner
SETTINGS
Clock
Working hours
Start
09
End
18
Theme

AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Guyong vs Istanbul

Guyong keeps PST (UTC+8) and Istanbul keeps UTC+3 (UTC+3) today. Istanbul is 5 hours behind Guyong; 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: 09:00–13:00 in Istanbul (14:00–18:00 your time).

Guyong and Istanbul hour by hour, with the working-hour overlap shaded
City00:00 in Guyong01:00 in Guyong02:00 in Guyong03:00 in Guyong04:00 in Guyong05:00 in Guyong06:00 in Guyong07:00 in Guyong08:00 in Guyong09:00 in Guyong10:00 in Guyong11:00 in Guyong12:00 in Guyong13:00 in Guyong14:00 in Guyong15:00 in Guyong16:00 in Guyong17:00 in Guyong18:00 in Guyong19:00 in Guyong20:00 in Guyong21:00 in Guyong22:00 in Guyong23:00 in Guyong
Guyong——000102030405060708091011121314151617181920212223
Istanbul——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Guyong and Istanbul

Best hours to call

14:00 in Guyong
Inside working hours on both sides
09:00 in Istanbul
15:00 in Guyong
Inside working hours on both sides
10:00 in Istanbul
16:00 in Guyong
Inside working hours on both sides
11:00 in Istanbul
17:00 in Guyong
Inside working hours on both sides
12:00 in Istanbul

Where daylight saving pulls them apart

Neither Guyong nor Istanbul changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Istanbul of Guyong?

Istanbul is 5 hours behind Guyong right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Guyong and Istanbul?

Any hour in 14:00–18:00 Guyong time is inside working hours in both cities.

Do Guyong and Istanbul change clocks on the same date?

Neither city changes its clocks, so the gap between them never moves.