When Wine Tastes Best is a biodynamic calendar designed specifically for wine enthusiasts. This iPhone app provides valuable information on the best days to open your bottle of wine, ensuring that you can enjoy it at its peak flavor.

One interesting feature of this calendar is that it is used by top UK grocery chains to select the days for their wine tastings. This indicates the reliability and accuracy of the information provided.

The app allows you to customize the calendar for any global time zone, and you can choose between a 12-hour or 24-hour time format. This ensures that the calendar is tailored to your specific needs.

The calendar is based on 50 years of research conducted by biodynamic expert Maria Thun. It reveals which days are good for wine tasting (fruit and flower days) and which days are less favorable (root and leaf days). Additionally, it includes Maria Thun's unique "generally unfavorable" days, which are not found in other lunar calendars.

The free version of the app provides data for the current day and past days. If you want access to future days, you can purchase the annual data through an in-app purchase.

When Wine Tastes Best is a valuable tool for wine lovers who want to enhance their wine tasting experience by opening their bottles on the most favorable days.