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T
Tools.Town
Free Online Tools for Everyone

Timezone Converter API

Convert time between any two timezones worldwide, instantly.

Category: Date & Time Endpoint: /v1/date/timezone Method: POST Auth: API Key

Fast & Accurate

Get precise results instantly.

Easy Integration

Simple REST API with JSON response.

Developer Friendly

Clear docs and SDK examples.

Free to Start

5,000 free requests/month.

Endpoint

All requests should be made to the following endpoint:

POST https://api.tools.town/v1/date/timezone

Authentication

This endpoint requires an API Key. Include your API key in the request header.

Authorization: Bearer YOUR_API_KEY
You can get your API key from your dashboard.

Request Parameters

Send a POST request with JSON body.

Parameter Type Required Description Example
isoDateTime string Datetime in fromZone (YYYY-MM-DDTHH:mm:ss). 2026-06-24T10:30:00
fromZone string IANA timezone of the input. Asia/Kolkata
toZones array Target IANA timezones. ["America/New_York","Europe/London"]

Example Request

curl -X POST "https://api.tools.town/v1/date/timezone" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "isoDateTime": "2026-06-24T10:30:00",
    "fromZone": "Asia/Kolkata",
    "toZones": ["America/New_York","Europe/London"]
  }'

Example Response 200 OK

application/json
{
  "success": true,
  "data": {
    "utc": "string",
    "fromZone": "string",
    "zone": "string",
    "formatted": "string",
    "isoLocal": "string",
    "offset": "string"
  }
}

Error Codes

Code Meaning
400 Bad Request — missing or invalid parameter
401 Unauthorized — API key missing or invalid
429 Rate limit exceeded — free tier: 5,000 requests/month
500 Internal Server Error — try again or contact support