Costco Dog Advent Calendar 2025 Dates. Advent 2025 begins on sunday, november 30th, starting the celebration season for the birth of jesus christ with the advent season ending on the first mass of christmas(vigil. A couple years back costco had a doggy advent calendar and it had plentiful treats from ireland for about $25.

If this is the calendar, they are being recalled and people are being advised to stop feeding them to their dogs immediately because a lot of dogs are getting sick. I haven’t seen them since but luckily we kept.