Renaming is only a label change. Cards stay exactly where they are — a card in “Now” is still in that box after you rename it to “This quarter”. Nothing is rescheduled and no dates change.
On a timeline, the name and the dates are separate#
Renaming Q3 2026 to Summer push does not alter its Jul 1 – Sep 30 range. If you want the period to change too, edit Starts and Ends in the same panel — see How do I change a time box’s dates?
Avoid encoding status in a column name (“Blocked”, “Done”) — the card already carries its workflow status, and a column that means two things is hard to plan with.Related: How do I add a time box?