IPGeolocation.io · JSON Structure

Ip Location Dst Transition Structure

Details about a DST transition (start or end). Only present when `dst_exists` is `true`. When `dst_exists` is `false`, `dst_start` and `dst_end` are returned as empty objects with no properties.

Type: object Properties: 6
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DstTransition is a JSON Structure definition published by IPGeolocation.io, describing 6 properties. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.

Properties

utc_time duration gap date_time_after date_time_before overlap

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/ip-location-dst-transition-structure.json",
  "name": "DstTransition",
  "description": "Details about a DST transition (start or end). Only present when `dst_exists`\nis `true`. When `dst_exists` is `false`, `dst_start` and `dst_end` are\nreturned as empty objects with no properties.\n",
  "type": "object",
  "properties": {
    "utc_time": {
      "type": "string",
      "description": "UTC time of the transition, formatted as `YYYY-MM-DD TIME HH:mm`.",
      "example": "2026-03-29 TIME 01:00"
    },
    "duration": {
      "type": "string",
      "description": "Clock shift direction and amount (e.g. `+1.00H` for spring forward,\n`-1.00H` for fall back).\n",
      "example": "+1.00H"
    },
    "gap": {
      "type": "boolean",
      "description": "Whether this transition creates a gap in local time (clocks jump forward).\n`true` for DST start, `false` for DST end.\n",
      "example": true
    },
    "date_time_after": {
      "type": "string",
      "description": "Local time immediately after the transition.",
      "example": "2026-03-29 TIME 03:00"
    },
    "date_time_before": {
      "type": "string",
      "description": "Local time immediately before the transition.",
      "example": "2026-03-29 TIME 02:00"
    },
    "overlap": {
      "type": "boolean",
      "description": "Whether this transition creates an overlap in local time (clocks fall back,\nso the same local time occurs twice). `true` for DST end, `false` for DST\nstart.\n",
      "example": false
    }
  }
}