12pm in Atlantic Standard Time is 4pm in Western European Time.

Frequently asked

Quick answers about converting between Atlantic Standard Time and Western European Time. Can't find what you need? Email [email protected].

What is the time difference between Atlantic Standard Time and Western European Time?

Atlantic Standard Time is 4 hours behind Western European Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.

When it's 12pm in Atlantic Standard Time, what time is it in Western European Time?

12pm in Atlantic Standard Time is 4pm in Western European Time. Both sides are inside the standard 9-to-5 working day, so this is a sociable time for a call in both places. Use the hour-by-hour table above to read any other time across.

What's the best time for a call between Atlantic Standard Time and Western European Time?

9am–1pm in Atlantic Standard Time lines up with 1pm–5pm in Western European Time — both sides are inside a 9-to-5 working day.

Does this account for daylight saving time?

Yes. We track every clock change in both places, so the abbreviations you see — ADT and WEST — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.

Why is the date sometimes different on each side?

When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.