Marketing Calendar 2025 – December holidays, how to use them?

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December is undoubtedly the most important month for retail and e-commerce, full of opportunities for intensive promotional campaigns related to the holiday season. It is a time when brands focus on increasing sales and building relationships with customers. The 2025 marketing calendar for December is full of events that are the foundation of effective marketing activities. Here are the most important dates for December:

December 6 – St. Nicholas Day – a great opportunity to promote gifts, products and services aimed at children, families and adults.
December 24-26 – Christmas – a key moment for holiday shopping; a time when brands can focus on campaigns related to gifts, decorations and products related to the tradition of the holidays.
December 31st – New Year’s Eve – a great opportunity to promote events, entertainment products and New Year’s Eve accessories.
Fun and unusual holidays in December:
December 4 – Miner’s Day (St. Barbara’s Day) – an opportunity for regional campaigns, especially in Silesia, vietnam mobile phone numbers database promoting local traditions.
December 9 – Heartburn Awareness Day – a day that can be used creatively by the pharmaceutical or food industry.
December 20 – Mint Lovers Day – an unusual holiday that can be used by food brands producing teas or cosmetics with mint.