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GMT to WEST Time Converter

Convert time from GMT to WEST. Enter any time to see the equivalent WEST time, compare current GMT and WEST times side by side, and find overlapping business hours for calls and meetings.

gmt Temps moyen de Greenwich
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west Western European Summer Time
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Sélectionnez une heure pour convertir

gmt to west Quick Facts

Use this GMT to WEST converter to compare United Kingdom and Portugal time, check the 1 hour gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 9:00 AM GMT / 10:00 AM WEST.

Décalage horaire
Western European Summer Time is 1 hour ahead of Greenwich Mean Time
Utile lorsque les délais, les transferts ou les appels dépassent les limites de la journée de travail.
Meilleure fenêtre d'appel
Best overlap starts around 9:00 AM gmt and 10:00 AM west.
Cas d'utilisation courants
Utile pour les équipes distantes, les fenêtres de support client, la planification des voyages, les webinaires et les transferts d'échéances le jour même.

How to Convert gmt to west

Converting between Greenwich Mean Time and Western European Summer Time means accounting for a 1 hour gap — here's how to do it in under 10 seconds with no sign-up.

Enter Your gmt Time

Pick the date and time in Greenwich Mean Time (UTC +0) that you want to convert. Hit "Now" to load the current gmt time instantly, or use "+1h" to step forward and compare.

Read the west Result

The equivalent Western European Summer Time (UTC +1) time appears immediately. Since west is 1 hour ahead of gmt, most daytime conversions stay on the same calendar day.

Copier ou affiner

Click "Copy Time" to grab the west result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.

Why Choose Our gmt to west Converter

Align gmt–west Meetings Instantly

When someone in United Kingdom suggests 9:00 AM gmt, that's 10:00 AM west. This converter shows the overlap so both sides agree on one slot — no back-and-forth.

Repérez les changements de ligne de date en un coup d’œil

Late-night gmt times can land on a different date in west because of the 1 hour offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.

Gère automatiquement les transitions DST

Daylight Saving adjustments can widen or narrow the gmt–west gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.

Never Miss a gmt-Timed Event

Product launches, sports matches, and webinars are often announced in gmt. Convert the event time to west so you know exactly when to tune in — with a 1 hour difference, a morning event in United Kingdom falls during work hours in Portugal.

Tableau de conversion de l'heure gmt en ouest

Tableau de conversion de référence rapide couvrant chaque heure de la journée en un coup d'œil.

Conversion complète en 24 heures

Greenwich Mean Time to Western European Summer Time full day schedule

00h00
gmt
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01h00
west
01h00
gmt
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02h00
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02h00
gmt
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3h00
west
3h00
gmt
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west
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5h00
west
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6h00
west
6h00
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west
7h00
gmt
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8h00
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9h00
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9h00
gmt
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10h00
west
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11h00
west
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12h00
west
12h00
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13h00
gmt
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14h00
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15h00
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gmt
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west
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17h00
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19h00
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20h00
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21h00
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22h00
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23h00
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23h00
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00h00
west
(le lendemain)
Les deux zones en contexte

GMT vs WEST — cities and working rhythm

GMT — Heure moyenne de Greenwich
Villes principales : Londres, Dublin, Lisbonne, Accra, Reykjavík

Royaume-Uni/Irlande/Islande/Portugal/Afrique de l'Ouest. Horaires d'ouverture de 9 h 00 à 17 h 30 GMT généralement. Remarque : Londres est à l'heure GMT en hiver, BST (GMT+1) en été — mais « GMT » est utilisé de manière vague toute l'année dans des contextes de planification. Les services financiers de Londres sont le point d'ancrage de la journée de bourse européenne.

Popular gmt Time Converters

Explore more gmt conversions for major business and travel corridors. Each page includes a 24-hour chart, time difference summary, and meeting overlap guidance.

Convert Other Time Zones to west

Find the time difference from any major zone into Western European Summer Time. Use these pages when scheduling with Portugal from a different region.

🌍 Swap direction — WEST to GMT Converter