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.
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.
{
"$schema": "https://json-structure.org/meta/core/v0/#",
"$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
}
}
}
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