France
Time now in Guyancourt
Sunday, 23 August 2026
Sunrise 06:54Sunset 08:55Time zone UTC +2
Time zone
Europe/Paris
UTC offset
UTC +2
Daylight saving
In effect now
Population
28,385
Sunrise
06:54
Sunset
08:55
Day length
14h 01m
Coordinates
48.77, 2.07
Time difference from Guyancourt
Hours ahead (right) or behind (left) Guyancourt right now.
Guyancourt on the map
About the time in Guyancourt
Guyancourt runs on Europe/Paris, which puts the city UTC +2 from Coordinated Universal Time right now. The clock at the top of this page is not copied from your device: it is anchored to our reference timestamp and re-rendered every second against the IANA time zone database, so it stays right even when a laptop or phone has quietly drifted.
Around 28,385 people live in Guyancourt, and all of them keep the same civil time, so the reading above applies to the whole urban area — not just the city centre.
Guyancourt sits at latitude 48.77, in the temperate-north band, so day length here swings sharply between midwinter and midsummer — today's 14h 01m is one point on that curve, not a fixed value.
Frequently asked questions about time in Guyancourt
- How far ahead or behind UTC is Guyancourt?
- Guyancourt is UTC +2 at this moment; the offset is read live, so it already accounts for daylight saving.
- Does Guyancourt change its clocks for daylight saving?
- Yes, and it is in effect now. Clocks change again on 25 October 2026.
- When do the sun rise and set in Guyancourt today?
- Sunrise is at 06:54 and sunset at 08:55, giving 14h 01m of daylight.
- What time is it in Guyancourt right now?
- The live clock above shows the current time in Guyancourt, updating every second from Europe/Paris (UTC +2).
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