Istanbul time zone and office-hour overlap
When Istanbul, London are all at work.
Istanbul
London
- Everyone at work
- Work hours
- Awake
- Night
- Weekend
Tap any column to see that moment in every city.
Different hours for each city
- UTC+3Türkiye Standard Time, January
- UTC+3Türkiye Standard Time, July
- Europe/IstanbulIANA time zone name
- 21other listed cities on the same clock all year
Clock changes
Istanbul does not change its clocks: it stays on UTC+3 (Türkiye Standard Time) all year.
Sun and clock
At 28.9° east, the sun is highest over Istanbul at about 1:04 pm on the winter clock — 1 hour 4 minutes after noon, because the clock runs ahead of the sun.
In mid-January the sun rises at about 8:27 am and sets at about 5:59 pm — 9 hours 30 minutes of daylight.
In mid-July the sun rises at about 5:44 am and sets at about 8:36 pm — 14 hours 45 minutes of daylight.
On a January weekday, 21 of the listed cities share the whole 9-to-5 day with Istanbul, 188 share at least two hours and 63 share no office time at all; on a July weekday the counts are 34, 190 and 46. The furthest away on the clock in January is Honolulu (United States), 13 hours behind.
Of the 268 cities in this planner, 170 are behind Istanbul in January, 21 show the same time and 76 are ahead of it.
Cities on the same clock
All year, Istanbul shows the same time as Moscow (Russia), Baghdad (Iraq), Dar es Salaam (Tanzania), Saint Petersburg (Russia), Jeddah (Saudi Arabia), Nairobi (Kenya), Riyadh (Saudi Arabia), Addis Ababa (Ethiopia), Ankara, Mogadishu (Somalia) and 11 more.
Only in July it matches Cairo (Egypt), Kyiv (Ukraine), Beirut (Lebanon), Bucharest (Romania), Sofia (Bulgaria), Riga (Latvia), Athens (Greece), Helsinki (Finland) and 5 more.
Office hours shared with 12 business cities
Counting a 9-to-5 day, Monday to Friday, in both cities: Istanbul shares two hours or more with London, Paris, Dubai, Mumbai, Singapore, Tokyo and São Paulo, and no office time at all with Los Angeles, Chicago and Auckland.
| City | Gap, Jan / Jul | Shared, Jan / Jul | At 9 am |
|---|---|---|---|
| New York | −8 / −7 h | 0 / 1 h | 1:00 am |
| Los Angeles | −11 / −10 h | 0 / 0 h | 10:00 pm (−1 day) |
| Chicago | −9 / −8 h | 0 / 0 h | 12:00 am |
| London | −3 / −2 h | 5 / 6 h | 6:00 am |
| Paris | −2 / −1 h | 6 / 7 h | 7:00 am |
| Dubai | +1 / +1 h | 7 / 7 h | 10:00 am |
| Mumbai | +2½ / +2½ h | 5½ / 5½ h | 11:30 am |
| Singapore | +5 / +5 h | 3 / 3 h | 2:00 pm |
| Tokyo | +6 / +6 h | 2 / 2 h | 3:00 pm |
| Sydney | +8 / +7 h | 0 / 1 h | 5:00 pm |
| Auckland | +10 / +9 h | 0 / 0 h | 7:00 pm |
| São Paulo | −6 / −6 h | 2 / 2 h | 3:00 am |
Time differences with Istanbul
City names, coordinates and time zone assignments: GeoNames, licensed under CC BY 4.0 (selection and renaming of some cities by this site). Clock times are computed in your browser from the IANA time zone database. Sources and limits.