Current Local Time in Guyancourt, Île-de-France, France is 10:25:17

CEST-Central European Summer Time UTC+02:00 hours

Thursday, Jul 31 2025, week - 31, 212^nd day of year, Daylight saving is active

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Weather:68.41°F/20.23°C/293.38K Clear sky

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Guyancourt Weather

Current Temperature in Guyancourt	68.41°F/20.23°C/293.38K
Feels like	68.49°F/20.27°C/293.42K
Guyancourt Humidity Percentage	75%
Atmospheric Pressure in Guyancourt	1020 hPa
Wind Speed in Guyancourt	4.12 Miles Per Hour
Wind Direction in Guyancourt	270 Degrees

Guyancourt Time Zone

Guyancourt Time Zone	Central European Summer Time
Time Zone Abbreviation	CEST
UTC Offset for Central European Summer Time	2 Hours
Is CEST a Standard Time Zone?	Yes
Current Local Time in Guyancourt	2025-07-31 10:25:17

Daylight Saving Time in Guyancourt

Is Daylight Saving Time active now in Guyancourt?	Yes
Guyancourt Summer Time Zone	CEST
Guyancourt Winter Time Zone	CET
Daylight Time Start Date	Sunday, 26 March 2023, 02:00 AM
Daylight Time End Date	Sunday, 29 October 2023, 03:00 AM
UTC Offset for DST	2 Hours
UTC Offset during winter	1 Hours

Twilights in Guyancourt today

Civil Twilight Start Time	2025-07-31 05:47:48
Civil Twilight End Time	2025-07-31 22:09:25
Nautical Twilight Start Time	2025-07-31 04:58:59
Nautical Twilight End Time	2025-07-31 22:57:50
Astronomical Twilight Start Time	2025-07-31 03:57:36
Astronomical Twilight End Time	2025-07-31 00:01:12

Guyancourt: Sunrise Time & Sunset Time

Sunrise Time in Guyancourt	2025-07-31 06:24:54
Sunset Time in Guyancourt	2025-07-31 21:32:30
Noon Time in Guyancourt	2025-07-31 13:59:08
Duration of the daytime today in Guyancourt	15 Hours-7 Minutes-36 Seconds

Guyancourt: Moonrise Time & Moonset Time

Moonrise Time Today in Guyancourt	2025-07-31 13:55:37
Moonset Time Today in Guyancourt	2025-07-31 23:54:15

Guyancourt: Moon Phases

New moon day	2025-08-23 08:07:28
Full moon day	2025-08-09 09:55:59
First Quarter of Moon	2025-08-01 14:42:16
Last Quarter of Moon	2025-08-16 07:13:10

Calendar Today

Day of the week	Thursday
Month of the year	July
Number of days in this month	31
Day of the year	211
Week of the year	31
Number of Seconds from Epoch	1753950317 Seconds

About Guyancourt

Name of the City	Guyancourt, Île-de-France, France
Nearby Cities & Towns around Guyancourt:	Guyancourt, Voisins-le-Bretonneux, Saint-Cyr-l’École, Montigny-le-Bretonneux, Magny-les-Hameaux, Buc, Saint-Quentin-en-Yvelines, Trappes, Châteaufort, Bois-d’Arcy, Fontenay-le-Fleury, Les Loges-en-Josas, Versailles, Villiers-le-Bâcle, Le Chesnay, Viroflay, Jouy-en-Josas, Saint-Rémy-lès-Chevreuse, Rocquencourt, Bailly
Two Letter Country code of France (ISO 3166-1 alpha-2)	FR
Three letter Country code of France (ISO 3166-1 alpha-3)	FRA
Guyancourt Latitude	48.7733400
Guyancourt Longitude	2.0739300
Guyancourt Elevation	0 meter

Alternates Names for Guyancourt in Vernacular Languages

Gijankur,Guyancourt,Gviankur,gwyankwr,gyuiyankuru,ji yang gu er,Гвианк ур,Гиянкур,Гіянкур,گویانکور,ギュイヤンクール ,基揚古爾

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