Timezone Converter Online

Convert a local date-time from one IANA time zone to another. Ambiguous or nonexistent local times are rejected. Free timezone converter online, with no installation or account.

Tool capabilities

Input: TXT
Output: TXT · JSON

How to use Timezone Converter

Convert a local date-time from one IANA time zone to another. Ambiguous or nonexistent local times are rejected. This timezone converter works directly in your browser and is free to use without an account.

Paste or open your input in the editor.
Run the tool and inspect the output. If the input is invalid, correct the reported error and run it again.
Copy the result or download it to your device.

Timezone Converter · Example

Input

2026-09-08T09:30

Output

{
  "source": "2026-09-08T09:30:00+09:00[Asia/Seoul]",
  "utc": "2026-09-08T00:30:00Z",
  "times": [
    {
      "zone": "America/New_York",
      "date": "2026-09-07",
      "time": "20:30:00",
      "offset": "-04:00",
      "iso": "2026-09-07T20:30:00-04:00[America/New_York]"
    }
  ]
}

Convert a local date-time from one IANA time zone to another. Ambiguous or nonexistent local times are rejected.

Usage notes

Inputs and results are processed on this device. Tool content is not sent to a processing server.

Timezone Converter