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 27 of 31 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 27 Gallerie II Halloween Banner Calendar Keep the hauntings going all month long with this Gallerie II Halloween Banner Calendar ($27). Gallerie II Halloween Banner Calendar $27 from amazon.com Buy Now Previous Next Start Slideshow ShoppingCalendarsHalloween DecorHalloween