/**
 * Returns the number of the day in the year in the local time zone.
 *
 * @param date Date to get the day of the year of.
 * @return Number of the day in the year in the local time zone.
 *
 * @example Basic usage
 * ```ts
 * import { dayOfYear } from "@std/datetime/day-of-year";
 * import { assertEquals } from "@std/assert";
 *
 * assertEquals(dayOfYear(new Date("2019-03-11T03:24:00")), 70);
 * ```
 */
export declare function dayOfYear(date: Date): number;
/**
 * Returns the number of the day in the year in UTC time.
 *
 * @param date Date to get the day of the year of.
 * @return Number of the day in the year in UTC time.
 *
 * @example Usage
 * ```ts
 * import { dayOfYearUtc } from "@std/datetime/day-of-year";
 * import { assertEquals } from "@std/assert";
 *
 * assertEquals(dayOfYearUtc(new Date("2019-03-11T03:24:00.000Z")), 70);
 * ```
 */
export declare function dayOfYearUtc(date: Date): number;
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