core:calendar

{
  "days_per_season": 18,
  "days_per_year": 72,
  "hours_per_day": 24,
  "id": "core:calendar",
  "night_sleep_bonus": 10800,
  "phases": [
    {
      "name": "night",
      "night": true,
      "sky_light": 0,
      "start_hour": 0
    },
    {
      "name": "morning",
      "night": false,
      "sky_light": 2,
      "start_hour": 6
    },
    {
      "name": "day",
      "night": false,
      "sky_light": 4,
      "start_hour": 8
    },
    {
      "name": "evening",
      "night": false,
      "sky_light": 2,
      "start_hour": 19
    },
    {
      "name": "night",
      "night": true,
      "sky_light": 0,
      "start_hour": 22
    }
  ],
  "seasons": [
    "spring",
    "summer",
    "autumn",
    "winter"
  ],
  "ticks_per_day": 64800
}