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fix: News briefing date a day behind (UTC render) #110

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Merged
protostatis merged 1 commit into from
Aug 19, 2026
Merged

fix: News briefing date a day behind (UTC render) #110

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9 changes: 8 additions & 1 deletion dashboard-frontend/src/pages/News.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -19,12 +19,19 @@ const NEWSLETTER_URL = 'https://panicradar.substack.com';

const formatCalendarDate = (dateStr) => {
if (!dateStr) return null;
const date = new Date(dateStr);
// The backend `date` field is a calendar date only (e.g. "2026-07-24"),
// not an instant. `new Date("2026-07-24")` parses it as UTC midnight, and
// toLocaleDateString then shifts it into the viewer's timezone — which rolls
// the calendar day back by one in any timezone west of UTC (e.g. US Central).
// Format in UTC so the displayed calendar day always matches the stored date.
const isDateOnly = /^\d{4}-\d{2}-\d{2}$/.test(dateStr);
const date = new Date(isDateOnly ? `${dateStr}T00:00:00Z` : dateStr);
if (Number.isNaN(date.getTime())) return null;
return date.toLocaleDateString('en-US', {
weekday: 'long',
month: 'long',
day: 'numeric',
timeZone: 'UTC',
});
};

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