export type TimeFormat = "24h" | "12h" | "12hNS" | "timestamp" | "iso8601";
export type RoundingMethod = "nearest" | "up" | "down" | "none";
export interface TimeComponents {
    hours: number;
    minutes: number;
    seconds?: number;
}
export declare function decimalHoursToDate(decimalHours: number, year: number, month: number, day: number): Date;
export declare function decimalHoursToTimestamp(decimalHours: number, utcBaseTime: number, longitude: number): number;
export declare function roundTime(timestamp: number, rounding: RoundingMethod): number;
export declare function formatTime(timestamp: number, format?: TimeFormat, timezone?: string): string;
export declare function parseTimeToDecimal(timeString: string): number;
export declare function addMinutes(date: Date, minutes: number): Date;
export declare function addSeconds(date: Date, seconds: number): Date;
export declare function addDays(date: Date, days: number): Date;
export declare function isValidDate(date: Date): boolean;
export declare const RoundingMode: {
    readonly Nearest: "nearest";
    readonly Up: "up";
    readonly None: "none";
};
export type RoundingMode = (typeof RoundingMode)[keyof typeof RoundingMode];
export declare function roundedMinute(date: Date, rounding?: RoundingMode): Date;
export declare function getUtcBaseTime(date: Date): number;
export declare function timeComponentsToDecimal(components: TimeComponents): number;
export declare function decimalToTimeComponents(decimalHours: number): TimeComponents;
export declare function timeDifferenceInHours(start: Date, end: Date): number;
export declare function normalizeHours(hours: number): number;
export declare function getTimezoneOffset(date: Date, timezone: string): number;
export declare function formatDuration(hours: number): string;
export declare function getCurrentDateInTimezone(timezone: string): Date;
export declare function isTimeBetween(time: number, start: number, end: number): boolean;
export declare function minutesUntil(current: number, target: number): number;
export declare function convertToTimezone(date: Date, timezone: string): Date;
export declare function getCurrentTimezone(): string;
export declare function decimalHoursToTime(decimalHours: number): string;
export declare function timeToDecimalHours(timeString: string): number;
export declare function formatPrayerTimes(times: any, format?: TimeFormat, _rounding?: RoundingMethod): any;
export declare function timestampToDecimalHours(timestamp: number): number;
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