Holiday API™
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When is April Fools' Day in Oklahoma, United States?

April Fools' Day falls on Thursday, April 1st, 2021 (31 days from now) in Oklahoma, United States.

Is April Fools' Day a public holiday?

Want to include this holiday information in your website or application? Get started for free.

Year Date Weekday Name
2017 April 1st Saturday April Fools' Day
2018 April 1st Sunday April Fools' Day
2019 April 1st Monday April Fools' Day
2020 April 1st Wednesday April Fools' Day
2021 April 1st Thursday April Fools' Day
2022 April 1st Friday April Fools' Day
2023 April 1st Saturday April Fools' Day
2024 April 1st Monday April Fools' Day
2025 April 1st Tuesday April Fools' Day
2026 April 1st Wednesday April Fools' Day
Holiday data for far-reaching years is subject to change due to laws and government decrees.
Long weekends are based on non-working days and not Saturday and Sunday explicitly.

We are continuously monitoring for changes to this data to ensure we're providing the most accurate information possible.
If you happen to notice a mistake, please get in touch.
To retrieve this list of holidays, simply make a GET request to /v1/holidays:
GET /v1/holidays
Copy
$ curl -G -d country="US-OK" -d year="2020" -d pretty
-d key="__YOUR_API_KEY__" "https://holidayapi.com/v1/holidays"
import "github.com/joshtronic/go-holidayapi"
hapi := holidayapi.NewV1("__YOUR_API_KEY__")
holidays, err := hapi.Holidays(map[string]interface{}{
  "country": "US-OK",
  "year": "2020",
})
import { HolidayAPI } from 'holidayapi';
const key = '__YOUR_API_KEY__'
const holidayApi = new HolidayAPI({ key });
holidayApi.holidays({
  country: 'US-OK',
  year: '2020',
});
$key = '__YOUR_API_KEY__';
$holiday_api = new \HolidayAPI\Client(['key' => $key]);
$holidays = $holiday_api->holidays([
  'country' => 'US-OK',
  'year' => '2020',
]);
$Body = @{}
$Body.key = "__YOUR_API_KEY__"
$Body.country = "US-OK"
$Body.year = "2020"
$Url = "https://holidayapi.com/v1/holidays"
$Result = Invoke-RestMethod -Uri $Url -Body $Body
$Result.holidays
import holidayapi
key = '__YOUR_API_KEY__'
hapi = holidayapi.v1(key)
holidays = hapi.holidays({
  'country': 'US-OK',
  'year': '2020',
})
require 'ruby-holidayapi'
key = '__YOUR_API_KEY__'
hapi = HolidayAPI::V1.new(key)
holidays = hapi.holidays({
  'country': 'US-OK',
  'year': '2020',
})