roque-nights.netlify.app

{
  "type": "object",
  "properties": {
    "time": {
      "type": "string",
      "minLength": 3,
      "maxLength": 40,
      "description": "ISO 8601 UTC instant between 1900 and 2100 (\"2026-09-12T22:30:00Z\"), or one of the keywords for the selected night: \"now\" (the REAL clock right now; when the selected night does not contain it the app moves to the observing night that does, and says so in caveats), \"sunset\" (the Sun at the horizon, still far too bright to observe), \"darkness_start\" (the start of ASTRONOMICAL darkness, Sun 18 degrees below the horizon: this is what \"when it gets dark\" means for observing, about 1 h 40 min after sunset at the Roque), \"midnight\" (the middle of astronomical darkness, NOT 00:00 clock time), \"darkness_end\" (the end of astronomical darkness, Sun back up to 18 degrees below the horizon), \"sunrise\" (the Sun back at the horizon)."
    },
    "date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Local calendar date of the EVENING the night starts (YYYY-MM-DD). Omit for the night currently selected in the app."
    }
  },
  "additionalProperties": false
}