When is Tax Day in Oklahoma, United States?

Tax Day falls on Thursday, April 15th, 2021 (37 days from now) in Oklahoma, United States.

Is Tax Day a public holiday?

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Year Date Weekday Name
2017 April 18th Tuesday Tax Day (Observed)
2018 April 17th Tuesday Tax Day (Observed)
2019 April 15th Monday Tax Day
2020 July 15th Wednesday Tax Day
2021 April 15th Thursday Tax Day
2022 April 18th Monday Tax Day (Observed)
2023 April 17th Monday Tax Day (Observed)
2024 April 15th Monday Tax Day
2025 April 15th Tuesday Tax Day
2026 April 15th Wednesday Tax 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"
$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',
})