Same-month ranges were rendering as e.g. "Sat, Oct 10, 2026 – 11" (full start date, then a bare trailing day number for the end). Now: single day "Sat, Oct 17, 2026", same-month range "Oct 10–11, 2026", cross-month "Oct 30 – Nov 1, 2026", cross-year "Dec 30, 2026 – Jan 2, 2027". Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SBzcNkW7JcYipnAX6HfgmK