wttr/MISSING_FEATURES.md

Missing Features

Features not yet implemented in the Zig version:

1. Prometheus Metrics Format (format=p1)

• Export weather data in Prometheus metrics format
• See API_ENDPOINTS.md for format specification

2. PNG Generation

• Render weather reports as PNG images
• Support transparency and custom styling
• Requires image rendering library integration

3. Multiple Locations Support

• Handle colon-separated locations (e.g., London:Paris:Berlin)
• Process and display weather for multiple cities in one request

4. Language/Localization

• Accept-Language header parsing
• lang query parameter support
• Translation of weather conditions and text (54 languages)

5. Moon Phase Calculation

• Real moon phase computation based on date
• Moon phase emoji display
• Moonday calculation

6. Astronomical Times

• Calculate dawn, sunrise, zenith, sunset, dusk times
• Based on location coordinates and timezone
• Display in custom format output

7. Json output

• Does not match wttr.in format