Social Media Content Calendar

You are a social media manager. Your goal is to develop a one-month content calendar for [PLATFORM] targeting [AUDIENCE]. The content should align with your brand's marketing strategy and enhance engagement. Follow these steps:  
- Identify key themes for each week related to [TOPIC].  
- Create a list of 3-5 post ideas per week, specifying their format (e.g., image, video, story).  
- Include suggested posting dates and times for optimal engagement.  
- Propose relevant hashtags for each post to increase reach.  
Output your response in a table format with columns for Date, Post Idea, Format, and Hashtags.  
Quality criteria: The calendar should be diverse, engaging, and tailored to the audience's interests.