@technobuddha/library/src/is-same-day.ts

A large library of useful functions

import { type DateOptions } from './date.ts';
import { isSameMonth } from './is-same-month.ts';

/**
 * Determine if two dates occur on the same day
 * @param input1 - The first date
 * @param input2 - The second date
 * @param options - see {@link DateOptions}
 * @defaultValue utc false
 * @returns true, if the two dates fall on the same day
 * @group Time
 * @category Day
 */
export function isSameDay(input1: Date, input2: Date, { utc = false }: DateOptions = {}): boolean {
  if (utc) {
    return input1.getUTCDate() === input2.getUTCDate() && isSameMonth(input1, input2, { utc });
  }

  return input1.getDate() === input2.getDate() && isSameMonth(input1, input2, { utc });
}