Popsugar Parenting Calendars The Best Halloween Advent Calendars | 2020 Countdown to the Spookiest Day of the Year With These 31 Halloween Advent Calendars 4 September 2020 by Haley Lyndes View On One Page Photo 26 of 31 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 26 Halloween Countdown Advent Calendar Tick down the days until Oct. 31 with this handcrafted Halloween Countdown Advent Calendar ($275). Halloween Countdown Advent Calendar $275 from etsy.com Buy Now Previous Next Start Slideshow ShoppingCalendarsHalloween DecorHalloween