GET/v1/utils/timezone

Return the IANA timezone for a given coordinate pair

Get IANA timezone for a coordinate 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

authentication_failed

Missing or invalid API key.

ephemeris_unavailable

Upstream ephemeris service error.

insufficient_tier

Reserved; product endpoints are not feature-gated by plan (quota differs by tier).

internal_error

Unexpected server error.

ip_rate_limit_exceeded

Too many requests in a short window.

payload_too_large

Request body exceeds the size limit.

resource_not_found

Referenced resource was not found.

validation_error

Request body failed schema validation.

Related endpoints

• Resolve a city or place name to latitude, longitude, 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"
  }
}