IPGeolocation.io · JSON Structure

Astronomy Astronomy Time Series Entry Structure

Astronomical data for a single calendar day within the time series response. Contains event times for sunrise, sunset, moonrise, moonset, twilight phases, solar noon, and day length. Note: Real-time positional data (sun/moon altitude, azimuth, distance, parallactic angle, illumination percentage, and moon angle) is not included in time series entries.

Type: object Properties: 15
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AstronomyTimeSeriesEntry is a JSON Structure definition published by IPGeolocation.io, describing 15 properties. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.

Properties

date mid_night night_end morning sunrise sunset evening night_begin sun_status solar_noon day_length moon_phase moonrise moonset moon_status

Meta-schema: https://json-structure.org/meta/core/v0/#

JSON Structure

Raw ↑
{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/ipgeolocation/refs/heads/main/json-structure/astronomy-astronomy-time-series-entry-structure.json",
  "name": "AstronomyTimeSeriesEntry",
  "description": "Astronomical data for a single calendar day within the time series\nresponse.\n\nContains event times for sunrise, sunset, moonrise, moonset,\ntwilight phases, solar noon, and day length.\n\nNote: Real-time positional data (sun/moon altitude, azimuth,\ndistance, parallactic angle, illumination percentage, and moon\nangle) is not included in time series entries.\n",
  "type": "object",
  "properties": {
    "date": {
      "type": "string",
      "description": "The calendar date for this entry, in `yyyy-MM-dd` format.",
      "example": "2026-03-18"
    },
    "mid_night": {
      "type": "string",
      "description": "Astronomical midnight (nadir) for the given date.",
      "example": "00:06"
    },
    "night_end": {
      "type": "string",
      "description": "End of night / start of astronomical twilight in the morning.",
      "example": "04:49"
    },
    "morning": {
      "type": "object",
      "description": "Twilight phase times for either the morning (pre-sunrise) or evening\n(post-sunset) period.\n\nIncludes astronomical, nautical, and civil twilight windows, as well\nas blue hour and golden hour windows commonly used in photography.\n\nAll times are in `HH:mm` format by default. When the `time_zone`\nparameter is provided, times are returned as full date-time values\nin `yyyy-MM-dd HH:mm` format.\n",
      "properties": {
        "astronomical_twilight_begin": {
          "type": "string",
          "description": "Start of astronomical twilight. In the morning, this marks the\nend of night; in the evening, this marks the start of night sky.\n",
          "example": "04:49"
        },
        "astronomical_twilight_end": {
          "type": "string",
          "description": "End of astronomical twilight.",
          "example": "05:21"
        },
        "nautical_twilight_begin": {
          "type": "string",
          "description": "Start of nautical twilight, when the horizon first becomes visible.\n",
          "example": "05:21"
        },
        "nautical_twilight_end": {
          "type": "string",
          "description": "End of nautical twilight.",
          "example": "05:53"
        },
        "civil_twilight_begin": {
          "type": "string",
          "description": "Start of civil twilight, when there is enough light for outdoor\nactivities without artificial lighting.\n",
          "example": "05:53"
        },
        "civil_twilight_end": {
          "type": "string",
          "description": "End of civil twilight.",
          "example": "06:20"
        },
        "blue_hour_begin": {
          "type": "string",
          "description": "Start of the blue hour, a period of soft diffused light with a\nblue color tone.\n",
          "example": "05:42"
        },
        "blue_hour_end": {
          "type": "string",
          "description": "End of the blue hour.",
          "example": "06:03"
        },
        "golden_hour_begin": {
          "type": "string",
          "description": "Start of the golden hour, a period of warm low-angle light\nfavored by photographers.\n",
          "example": "06:03"
        },
        "golden_hour_end": {
          "type": "string",
          "description": "End of the golden hour.",
          "example": "06:57"
        }
      }
    },
    "sunrise": {
      "type": "string",
      "description": "Time at which the sun rises, in `HH:mm` format. Returns `\"-:-\"`\nif the sun does not rise on this date.\n",
      "example": "06:20"
    },
    "sunset": {
      "type": "string",
      "description": "Time at which the sun sets, in `HH:mm` format. Returns `\"-:-\"`\nif the sun does not set on this date.\n",
      "example": "19:00"
    },
    "evening": {
      "type": "object",
      "description": "Twilight phase times for either the morning (pre-sunrise) or evening\n(post-sunset) period.\n\nIncludes astronomical, nautical, and civil twilight windows, as well\nas blue hour and golden hour windows commonly used in photography.\n\nAll times are in `HH:mm` format by default. When the `time_zone`\nparameter is provided, times are returned as full date-time values\nin `yyyy-MM-dd HH:mm` format.\n",
      "properties": {
        "astronomical_twilight_begin": {
          "type": "string",
          "description": "Start of astronomical twilight. In the morning, this marks the\nend of night; in the evening, this marks the start of night sky.\n",
          "example": "04:49"
        },
        "astronomical_twilight_end": {
          "type": "string",
          "description": "End of astronomical twilight.",
          "example": "05:21"
        },
        "nautical_twilight_begin": {
          "type": "string",
          "description": "Start of nautical twilight, when the horizon first becomes visible.\n",
          "example": "05:21"
        },
        "nautical_twilight_end": {
          "type": "string",
          "description": "End of nautical twilight.",
          "example": "05:53"
        },
        "civil_twilight_begin": {
          "type": "string",
          "description": "Start of civil twilight, when there is enough light for outdoor\nactivities without artificial lighting.\n",
          "example": "05:53"
        },
        "civil_twilight_end": {
          "type": "string",
          "description": "End of civil twilight.",
          "example": "06:20"
        },
        "blue_hour_begin": {
          "type": "string",
          "description": "Start of the blue hour, a period of soft diffused light with a\nblue color tone.\n",
          "example": "05:42"
        },
        "blue_hour_end": {
          "type": "string",
          "description": "End of the blue hour.",
          "example": "06:03"
        },
        "golden_hour_begin": {
          "type": "string",
          "description": "Start of the golden hour, a period of warm low-angle light\nfavored by photographers.\n",
          "example": "06:03"
        },
        "golden_hour_end": {
          "type": "string",
          "description": "End of the golden hour.",
          "example": "06:57"
        }
      }
    },
    "night_begin": {
      "type": "string",
      "description": "Start of night / end of astronomical twilight in the evening.",
      "example": "20:31"
    },
    "sun_status": {
      "type": "string",
      "description": "Current state of the sun relative to the horizon. See\n`AstronomyData.sun_status` for possible values.\n",
      "example": "-"
    },
    "solar_noon": {
      "type": "string",
      "description": "Time when the sun is at its highest point in the sky.",
      "example": "12:40"
    },
    "day_length": {
      "type": "string",
      "description": "Total daylight duration from sunrise to sunset, in `HH:mm` format.",
      "example": "12:40"
    },
    "moon_phase": {
      "type": "string",
      "description": "The phase of the moon on this date.",
      "enum": [
        "NEW_MOON",
        "WAXING_CRESCENT",
        "FIRST_QUARTER",
        "WAXING_GIBBOUS",
        "FULL_MOON",
        "WANING_GIBBOUS",
        "LAST_QUARTER",
        "WANING_CRESCENT"
      ],
      "example": "WAXING_CRESCENT"
    },
    "moonrise": {
      "type": "string",
      "description": "Time at which the moon rises, in `HH:mm` format. Returns `\"-:-\"`\nif the moon does not rise on this date.\n",
      "example": "08:45"
    },
    "moonset": {
      "type": "string",
      "description": "Time at which the moon sets, in `HH:mm` format. Returns `\"-:-\"`\nif the moon does not set on this date.\n",
      "example": "22:10"
    },
    "moon_status": {
      "type": "string",
      "description": "Current state of the moon relative to the horizon. See\n`AstronomyData.moon_status` for possible values.\n",
      "example": "-"
    }
  }
}