Hover "3 days ago" for the exact date. A ring glides from today back to the event day across a week strip, then Local and UTC times slide in underneath.
Also known as: relative time tooltip, time ago tooltip css, timestamp hover absolute date, utc time tooltip.
Everything you see above is live. Basic and Pro include every premium piece, with the HTML and CSS ready to copy, plus the Tailwind version where there is one and Motions in Claude Code on Pro.