/** 로컬 기준 오늘 YYYY-MM-DD */
export declare function todayStr(): string;
export declare function formatDate(year: number, month: number, day: number): string;
export declare function calcYearMonth(year: number, month: number, dir: 'prev' | 'next'): {
    year: number;
    month: number;
};
export interface DayCell {
    date: string;
    day: number;
    inCurrentMonth: boolean;
}
/** year/month(1-12)에 대한 6주 그리드 셀 목록 (앞뒤 달 채움 포함) */
export declare function monthCells(year: number, month: number): DayCell[];
export declare const WEEK_LABELS: readonly ["일", "월", "화", "수", "목", "금", "토"];