GET/v1/utils/timezone

IANA Timezone for Coordinates

Returns the IANA timezone (e.g. Asia/Kolkata) for a latitude and longitude pair. Fully offline — no external API call. Accepts ?latitude=&longitude= and/or ?lat=&lon= (any pair that supplies both coordinates). Examples: ?latitude=19.055&longitude=72.869 (Mumbai), ?lat=19.055&lon=72.869

Request parameters

latitudeoptional

number | null

Latitude (alias: lat)

longitudeoptional

number | null

Longitude (alias: lon)

latoptional

number | null

Alias for latitude

lonoptional

number | null

Alias for longitude

Response fields

success

boolean

True if the request succeeded

message

string

Human-readable status message

data

object

data.latitude

number

Input latitude.

data.longitude

number

Input longitude.

data.timezone

string

IANA timezone identifier.

Errors

api_key_invalid

Invalid API key format.

api_key_missing

API key is missing. Include it in the Authorization header as 'Bearer YOUR_KEY'.

api_key_not_found

The provided API key was not found. Verify the key in your Asterwise dashboard.

api_key_revoked

This API key has been revoked.

burst_limit_exceeded

Too many requests per minute. Please slow down.

internal_error

Something went wrong on our end. Please try again, or contact [email protected] if the problem persists. Include your request_id when contacting support.

ip_rate_limit_exceeded

Too many requests from this IP address. Please slow down.

monthly_usage_limit_exceeded

Monthly API call limit reached. Upgrade your plan to continue.

payload_too_large

Request body exceeds maximum allowed size of 64KB.

subscription_expired

Your subscription has expired. Please renew at asterwise.com/dashboard to continue.

validation_error

The request couldn't be processed. See the 'details' field for specific field-level issues.

Related endpoints

• Geocode a Place to Coordinates and Timezone

Request

GET·application/json

curl

curl -X GET "https://api.asterwise.com/v1/utils/timezone?latitude=19.076&longitude=72.8777" \
  -H "Authorization: Bearer YOUR_API_KEY"

Python

import asterwise
from asterwise.api.utilities_api import UtilitiesApi

configuration = asterwise.Configuration(
    host="https://api.asterwise.com",
    access_token="YOUR_API_KEY",
)

with asterwise.ApiClient(configuration) as client:
    api = UtilitiesApi(client)
    result = api.timezone(latitude=19.076,
    longitude=72.8777)
    print(result)

TypeScript

import { createClient, createConfig, timezone } from 'asterwise';

const client = createClient(createConfig({
  baseUrl: 'https://api.asterwise.com',
  headers: { Authorization: 'Bearer YOUR_API_KEY' },
}));

const result = await timezone({
  client,
  query: {
      "latitude": 19.076,
      "longitude": 72.8777
  },
});

console.log(result.data);

Response

200 OK·application/jsonsigned

{
  "success": true,
  "message": "success",
  "data": {
    "latitude": 19.076,
    "longitude": 72.8777,
    "timezone": "Asia/Kolkata"
  }
}