declare type Options = {
    /** use the UTC timezone */
    UTC?: boolean;
};
/**
 * Determine if two dates occur on the same day
 *
 * @param input1 The first date
 * @param input2 The second date
 * @param __namedParameters see {@link Options}
 * @default UTC false
 * @returns true, if the two dates fall on the same day
 */
export declare function isSameDay(input1: Date, input2: Date, { UTC }?: Options): boolean;
export default isSameDay;