This is the part where I remind you: always double-check the times on their official website or Google Maps. London loves to throw curveballs—like a tube strike or a royal event that shifts everything. But in general, you can trust the 8 AM to 9 PM rhythm (except Sunday, remember?).
So next time you’re on Oxford Street, know that M&S is ready for you whenever you are. Whether you’re a dawn raider or a sundown shopper, it’s a reliable friend in a sea of chaos. Now go grab that pack of choco-chip cookies—you’ve earned it.
TL;DR: Standard hours: 8 AM–9 PM (Mon–Sat), 11:30 AM–5:15 PM (Sun). Plan accordingly, enjoy the calm, and always leave room for a Colin the Caterpillar cake.