WorldTimeAPI

worldtimeapi.org · Developer Tools

Developer Tools No Auth Free & Open Time Timezones Utilities

Simple timezone and current time API — get current UTC time, local time for any timezone, DST info, and UTC offset. No API key required.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Get time by timezone

Get current time in New York.

https://worldtimeapi.org/api/timezone/America/New_York

Hover any highlighted part to learn what it does

curl -X GET "https://worldtimeapi.org/api/timezone/America/New_York"

import requests
response = requests.get(
    "https://worldtimeapi.org/api/timezone/America/New_York",
)
print(response.json())

const url = 'https://worldtimeapi.org/api/timezone/America/New_York';

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://worldtimeapi.org/api/timezone/America/New_York"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://worldtimeapi.org/api/timezone/America/New_York")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://worldtimeapi.org/api/timezone/America/New_York";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET List all timezones

List all available timezone identifiers.

https://worldtimeapi.org/api/timezone

Hover any highlighted part to learn what it does

curl -X GET "https://worldtimeapi.org/api/timezone"

import requests
response = requests.get(
    "https://worldtimeapi.org/api/timezone",
)
print(response.json())

const url = 'https://worldtimeapi.org/api/timezone';

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://worldtimeapi.org/api/timezone"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://worldtimeapi.org/api/timezone")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://worldtimeapi.org/api/timezone";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗

No API key needed
Any timezone: GET https://worldtimeapi.org/api/timezone/Europe/London
Your IP timezone: GET https://worldtimeapi.org/api/ip
List zones: GET https://worldtimeapi.org/api/timezone
Zones follow IANA format: America/New_York, Asia/Tokyo, etc.

What can you build with WorldTimeAPI?

WorldTimeAPI is a Developer Tools API. Developers commonly use developer tools APIs for:

automating code review and quality checks
integrating CI/CD pipelines and build systems
managing feature flags and A/B tests
monitoring errors and application performance
generating and validating test data

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. WorldTimeAPI is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗