Zone Name
Central European Summer Time (CEST)
19.4°
Live Global Time
Current time in Guyancourt
Live local time in Guyancourt, Île-de-France, France. Updated every second with timezone and daylight details.
UTC Offset
UTC +2
DST starts
Mar 29, 2026
DST ends
Oct 25, 2026
Difference
+2 h
Analog Clock
12
3
6
9
Sun & Moon
New Moon
0% Illuminated
Day Length: --h --m
Sunrise
--:--
Sunset
--:--
Moonrise
--:--
Moonset
--:--
Guyancourt Time Guide
This world clock page gives you a live second-by-second time view for Guyancourt, plus sunrise, sunset, moon phase, and timezone details.
Need neighboring cities in Île-de-France? Use the links on this page to compare local time and daylight context without switching tools.
Quick FAQ
What time is it right now in Guyancourt?
The current local time in Guyancourt updates live on this page. The timezone is Central European Summer Time (CEST), with a UTC offset of UTC +2.
What timezone is Guyancourt in?
Guyancourt currently uses the Central European Summer Time (CEST) timezone (UTC +2). The offset can change when daylight saving starts or ends.
What are today's sunrise and sunset times in Guyancourt?
You can find today's sunrise and sunset times for Guyancourt in the Sun & Moon section, together with day length and moon details.
Does Guyancourt observe daylight saving time?
This page shows whether Guyancourt observes DST this year, including the next start and end dates when applicable, next to the live clock metrics.
How can I compare nearby cities in Île-de-France?
Use the Nearby Cities list for Île-de-France to quickly switch between cities and compare local times and daylight conditions.
Nearby Cities
Live local time in Guyancourt, Île-de-France, France. Updated every second with timezone and daylight details.
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