Function utcDay

telemetry-dashboard/src/api.ts:67–67

(atMs: number)

// ---------------------------------------------------------------------------

const utcDay = (atMs: number): string => new Date(atMs).toISOString().slice(0, 10);

/** Rejects the wrong shape and impossible dates alike (`2026-02-31` round-trips as March). */
function isValidDay(day: string): boolean {