{
  "tool": "/formats/iso-8601",
  "title": "ISO 8601 Date Format — Specification & Validator",
  "description": "Complete ISO 8601 date and time specification. Validate ISO strings, convert to/from ISO 8601 format with examples.",
  "browser": "https://tick.pro/formats/iso-8601",
  "data": {
    "now": "2026-10-16T22:45:09.063Z",
    "format": "ISO 8601",
    "example": "2026-10-14T08:00:23.739Z",
    "note": "The combined date and time format used by JSON, XML and most modern APIs. Always include the offset or a trailing Z.",
    "variations": [
      {
        "pattern": "YYYY-MM-DD",
        "meaning": "Calendar date"
      },
      {
        "pattern": "YYYY-MM-DDTHH:mm:ssZ",
        "meaning": "Date and time, UTC"
      },
      {
        "pattern": "YYYY-MM-DDTHH:mm:ss±HH:mm",
        "meaning": "Date and time with offset"
      },
      {
        "pattern": "YYYY-MM-DDTHH:mm:ss.SSSZ",
        "meaning": "With milliseconds"
      },
      {
        "pattern": "YYYY-Www",
        "meaning": "ISO week date"
      }
    ]
  },
  "tools": []
}