There is no concept of "twin days" for planting crops.
Planting times are determined by:
* Crop type: Different plants have different needs for temperature, light, and moisture.
* Climate: The average temperature, rainfall, and sunlight hours of your region will affect when you can plant.
* Soil conditions: The soil temperature and moisture content are important factors.
* Frost dates: The last frost date in spring and the first frost date in fall will determine when it's safe to plant.
Instead of "twin days," you should consult:
* Local gardening guides: These are usually available from your local agricultural extension office or library.
* Online resources: Many websites provide planting calendars and information tailored to specific regions.
* Seed packets: The instructions on seed packets often include recommended planting dates.
Remember: The best time to plant crops varies depending on your specific location and the crop in question. It's important to do your research and consult reliable resources to determine the optimal planting time for your area.