when does ufc london start

UFC London at The O2 in 2026 is scheduled to start at 5:00 pm GMT on Saturday, 21 March 2026, with the main card from 8:00 pm GMT.

Quick Scoop

• Date: Saturday, 21 March 2026.

• Venue: The O2 Arena, London.

• Doors open: 4:00 pm GMT.

• First prelim bout: 5:00 pm GMT (10:00 am PT / 1:00 pm ET approx.).

• Main card start time: 8:00 pm GMT.

UK viewers

• If you’re in the UK, you’ll want to be tuned in by 5:00 pm if you want the full card, or 8:00 pm if you only care about the main card.

Example timing (by region)

• London (GMT): Prelims 5:00 pm, main card 8:00 pm.

• Central Europe (CET): Prelims 6:00 pm, main card 9:00 pm (one hour ahead of UK in March 2026).

• Eastern US (ET): Prelims 1:00 pm, main card 4:00 pm.

• Pacific US (PT): Prelims 10:00 am, main card 1:00 pm.

In most TV listings and promo graphics you’ll see “start time” listed as 8:00 pm UK time, because that’s when the main card kicks off, but the actual event in the arena begins at 5:00 pm with the prelims.

TL;DR: UFC London 2026 at The O2 starts with prelims at 5:00 pm GMT and the main card at 8:00 pm GMT on Saturday, 21 March 2026.

Information gathered from public forums or data available on the internet and portrayed here.