import { DayOfWeek } from './DayOfWeek.js';
import type { PatternMoment } from './PatternMoment.js';
/**
 * Reads the day at a moment's own offset, using Chronicle's English day names.
 * @param moment - The instant and the offset it occurred at.
 * @returns The day of week used by the Day facet.
 * @throws {RangeError} If the date or offset is invalid.
 */
export declare function toDayOfWeek(moment: PatternMoment): DayOfWeek;
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