built:date

WET to ADT Converter

Trying to line up WET and ADT? ADT is 3 hours behind WET. Set any WET time below to see the matching ADT time and date.

ADT is 4 hours behind WEST
From
WEST

Now in Lisbon: 6:53:58 PM WEST

On this date Lisbon observes WEST. WET is in effect during standard-time (non-summer) months.

To
ADT

Now in Halifax: 2:53:58 PM ADT

Jump to:

Daylight saving notes

In the European Union and the UK, summer time runs from the last Sunday in March to the last Sunday in October. That affects Western European Time (WET).

In the United States and Canada, daylight saving time runs from the second Sunday in March to the first Sunday in November. That affects Atlantic Daylight Time (ADT).

WET to ADT conversion chart

For example, a 9:00 AM WET meeting takes place at 6:00 AM ADT. Concretely, when Lisbon (WET) and Halifax (ADT) set up a call, aDT is 3 hours behind WET.

Western European Time to Atlantic Daylight Time conversion chart
WET timeADT time
12:00 AM9:00 PM−1 day
1:00 AM10:00 PM−1 day
2:00 AM11:00 PM−1 day
3:00 AM12:00 AM
4:00 AM1:00 AM
5:00 AM2:00 AM
6:00 AM3:00 AM
7:00 AM4:00 AM
8:00 AM5:00 AM
9:00 AM6:00 AM
10:00 AM7:00 AM
11:00 AM8:00 AM
12:00 PM9:00 AM
1:00 PM10:00 AM
2:00 PM11:00 AM
3:00 PM12:00 PM
4:00 PM1:00 PM
5:00 PM2:00 PM
6:00 PM3:00 PM
7:00 PM4:00 PM
8:00 PM5:00 PM
9:00 PM6:00 PM
10:00 PM7:00 PM
11:00 PM8:00 PM

This chart uses the fixed WET and ADT offsets; the live converter above follows current daylight saving.

Convert WET to ADT Time Zone

A quick guide to WET → ADT: the time gap, the live clocks, scheduling tips, and how we keep it accurate.

How does the WET to ADT converter work?

It takes three quick steps:

  1. Click the WET field on the left and pick the time you want to convert.
  2. The matching ADT time updates on the right automatically — there’s no button to press.
  3. Need a different day? Click the date field and the result follows, rolling over if it crosses midnight.

How many hours apart are WET and ADT?

ADT is 3 hours behind WET. In everyday terms, once you know the time on one side you just subtract 3 hours to get the other — so a call between Lisbon and Halifax is always 3 hours apart.

What time is it in ADT right now?

Right now the time in Atlantic Daylight Time (ADT) is Monday, June 29, 2026 · 2:53:58 PM. It ticks every second, so you’re always looking at the live ADT clock.

What time is it in WET right now?

And in Western European Time (WET), it’s currently Monday, June 29, 2026 · 5:53:58 PM. Compare the two and the 3 hours gap is easy to see.

Planning a meeting across WET and ADT?

For example, a 9:00 AM WET meeting takes place at 6:00 AM ADT. The trick is to aim for a slot that lands inside normal working hours on both sides. Once you’ve found a time, hit Share on the converter to copy a link with the time built in — easy to send to a colleague. Juggling three or more zones? The meeting planner highlights the hours that overlap for everyone.

How does daylight saving affect WET to ADT?

The labels WET and ADT are fixed offsets, so the result on this page is always exact. Both regions move their clocks for daylight saving on roughly the same weekends, so the 3 hours gap usually holds steady right through the year.

Why can you trust this WET to ADT converter?

Every conversion here is calculated from the IANA time zone database — the same source your phone, computer, and browser rely on. Plenty of tools hard-code a single offset, which quietly goes wrong whenever a region changes its rules or flips for daylight saving. We follow the real rules instead, so WET to ADT stays accurate for today and for any past or future date you type in.

Convert WET to other time zones

Convert to ADT from other time zones

Frequently asked questions

How many hours behind WET is ADT?

ADT is 3 hours behind WET — a fixed 3 hours difference, since both are fixed-offset labels.

What time is it in ADT when it's 12:00 PM WET?

When it's 12:00 PM (noon) WET, it's 9:00 AM ADT.

Do WET or ADT use daylight saving time?

Western European Time (WET) observes daylight saving, alternating with WEST; Atlantic Daylight Time (ADT) observes daylight saving, alternating with AST.

Why might the real-world WET–ADT difference change during the year?

The labels WET and ADT are fixed offsets, so this converter is always exact. But Western European Time's region switches between standard and summer time, so for part of the year you may actually want WEST to ADT. Always check which label a region is currently using before you schedule.