BST to PDT Converter

Category: Time Zone Converters

- July 03, 2025

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British Summer Time (BST)

UTC+1 • London, Edinburgh, Dublin

Conversion Settings

Configure your timezone conversion preferences

Auto Convert

Daylight Saving Aware

Show UTC Offset

Show Seconds

Pacific Daylight Time (PDT)

UTC-7 • Los Angeles, Seattle, Vancouver

--:--:--

Select a time to convert

Time Difference: --

UTC Offset (BST/GMT): +1/+0

UTC Offset (PDT/PST): -7/-8

DST Status: --

UK Time: --

Pacific Time: --

Time Format:

Current UK Time: --:--:--

Current Pacific Time: --:--:--

🌍 UK time is BST (UTC+1) in summer and GMT (UTC+0) in winter. Pacific time is PDT (UTC-7) in summer and PST (UTC-8) in winter. Time difference varies between 7-8 hours.

BST to PDT Conversion Guide

What is BST to PDT Conversion?

BST to PDT conversion helps you translate time between British Summer Time and Pacific Daylight Time. BST is UTC+1 and observed in the UK during summer months (March to October). PDT is UTC-7 and observed in the US West Coast during summer months (March to November). The time difference is 8 hours during summer daylight saving periods, and 8 hours during winter standard time periods.

Time Zone Information

British Summer Time (BST): Used in the UK during summer months (last Sunday in March to last Sunday in October). Always UTC+1.

Pacific Daylight Time (PDT): Used in US West Coast during summer months (second Sunday in March to first Sunday in November). Always UTC-7.

Winter Periods: UK uses GMT (UTC+0) and US West Coast uses PST (UTC-8), maintaining the 8-hour difference.

Daylight Saving Time Impact

BST Period: Last Sunday in March to last Sunday in October when UK clocks are 1 hour ahead of GMT

PDT Period: Second Sunday in March to first Sunday in November when US West Coast clocks are 1 hour ahead of PST

Constant Difference: Both regions observe daylight saving time, maintaining an 8-hour difference year-round

Common Conversion Examples

Summer (BST to PDT)

BST 9:00 AM → PDT 1:00 AM

BST 5:00 PM → PDT 9:00 AM

8 hours difference during summer months

Winter (GMT to PST)

GMT 9:00 AM → PST 1:00 AM

GMT 5:00 PM → PST 9:00 AM

8 hours difference during winter months

Business Hours

BST 4:00 PM → PDT 8:00 AM

BST 6:00 PM → PDT 10:00 AM

Best overlap for UK-US West Coast calls

Late Evening/Early Morning

BST 11:00 PM → PDT 3:00 PM

BST 2:00 AM → PDT 6:00 PM (prev day)

Large time difference affects scheduling

Conversion Tips & Best Practices

• Subtract 8 hours from BST/GMT to get PDT/PST time

• The 8-hour difference remains constant year-round due to both regions observing daylight saving time

• Best meeting times are typically 4:00 PM - 6:00 PM BST (8:00 AM - 10:00 AM PDT)

• Early morning UK time corresponds to late evening previous day in Pacific time

• Both regions transition to/from daylight saving time on different dates

• Consider date changes when converting late evening or early morning times

Convert Between BST and PDT

If you're juggling meetings between the UK and the US WEST Coast, this BST↔PDT converter helps you get the time right without second-guessing. Here’s how the two time zones compare—and which countries fall into each one.

British Summer Time (UTC+1)	Pacific Daylight Time (UTC-7)
🇬🇧 United Kingdom 🇮🇪 Ireland 🇵🇹 Portugal (except Azores) 🇰🇲 Comoros 🇸🇨 Seychelles 🇬🇬 Guernsey 🇯🇪 Jersey 🇮🇲 Isle of Man 🇲🇹 Malta 🇲🇺 Mauritius	🇺🇸 United States (California, Nevada, Oregon, Washington) 🇨🇦 Canada (British Columbia, Yukon) 🇲🇽 Mexico (Baja California)

Here’s what this converter actually does

This tool helps you instantly translate times between British Summer Time and Pacific Daylight Time. Whether you're entering a date and time in the UK or on the US West Coast, it gives you the exact equivalent time on the other side. It works year-round, automatically adjusting for daylight saving time shifts in both regions.

Why this comes in handy

If you're working remotely, managing global teams, scheduling calls, or even watching sports across time zones, missing the mark by even an hour can throw off your plans. This converter eliminates guesswork. It knows when BST switches back to GMT and when PDT flips to PST, so you don’t have to keep track of changing clocks on both sides of the Atlantic.

Step-by-step: how to use the converter

1. Pick your base time

Use the calendar and time input fields under the British Summer Time or Pacific Time section. Select the exact date and time you want to convert from.

2. Choose your input timezone

The dropdown lets you set whether the time you're entering is in UK time or Pacific time. It updates labels and ensures the direction of conversion is clear.

3. Hit “Convert Time”

The result instantly appears in the opposite timezone, showing the translated time and date. You’ll also see whether it’s BST or GMT, PDT or PST, depending on the time of year.

4. Want to flip it?

Click the “Swap” button to reverse the direction, making the output timezone your new input.

5. Use “Now” for instant conversion

Tap “Now” to automatically set the input fields to the current local time of the selected timezone.

6. Reset anytime

If you want a fresh start, hit “Reset” and the tool returns to its default setup with the current UK time filled in.

Settings that make it smarter

This converter comes with a few extras that make it more flexible and accurate:

Auto Convert: When checked, the conversion happens as soon as you change the date or time—no button needed.
Daylight Saving Aware: Automatically adjusts based on the date’s DST status in both zones. You can toggle this off if you prefer fixed offsets.
Show UTC Offset: Displays exact time differences like +1:00 or -7:00, which can be helpful when syncing systems or logs.
Show Seconds: Adds seconds to your results for precision. Turn it off if you just want hours and minutes.
12 vs. 24-Hour Format: Switches between standard and military time for both zones with one click.

Example: coordinating between the UK and California

Say you're in Dublin and setting up a call with someone in San Francisco. You want to chat at 4:00 PM your time. Enter that in BST, click convert, and you’ll see it’s 8:00 AM in California. No confusion, no math, and no missed calls.

Extra details worth knowing

The tool handles daylight saving start and end dates in both zones. The UK changes on the last Sunday in March and October. The Pacific region does it on the second Sunday in March and the first Sunday in November.
The actual time difference stays consistent at 8 hours due to both regions observing DST, but this only works correctly when DST awareness is on.
If you’re converting something at midnight or near the edges of the day, double-check the date too. It may land on the previous or next day in the other timezone.
Keyboard shortcuts are built in. Press Enter or Space to convert, S to swap, N for now, and R to reset. Easy to use without a mouse.

Stay ahead when your time zones don’t line up

This tool is built for the real moments where timing matter, cross-border meetings, interviews, live events, or customer calls. If you ever find yourself checking the clock and counting backward across time zones, this converter makes sure you never miss a beat between the UK and Pacific coasts.