Public holiday calculation for every year, based on easter sunday, country and county support. Supports more than 40 countries if your country is not supported, fork me, implement it and send me the pull request.

http://publicholiday.azurewebsites.net

The package is available on nuget

PM> install-package Nager.Date

var publicHolidays = DateSystem.GetPublicHoliday("DE", 2017);
foreach (var publicHoliday in publicHolidays)
{
	//publicHoliday...
}

var startDate = new DateTime(2016, 5, 1);
var endDate = new DateTime(2018, 5, 31);
var publicHolidays = DateSystem.GetPublicHoliday(CountryCode.DE, startDate, endDate);
foreach (var publicHoliday in publicHolidays)
{
	//publicHoliday...
}

var date = new DateTime(2017, 1, 1);
if (DateSystem.IsPublicHoliday(date, CountryCode.DE))
{
	Console.WriteLine("Is public holiday");
}

• Austria
• Belarus
• Belgium
• Bulgaria
• Croatia
• Cyprus
• Czech Republic
• Denmark
• Estonia
• Finland
• France
• Germany
• Greece
• Hungary
• Iceland
• Ireland
• Italy
• Latvia
• Liechtenstein
• Lithuania
• Luxembourg
• Malta
• Netherlands
• Norway
• Poland
• Portugal
• Romania
• Russia
• Slovakia
• Slovenia
• Spain
• Sweden
• Switzerland
• United Kingdom

• Canada
• United States

• Bolivia
• Brazil
• Honduras
• Paraguay
• Peru

• Greenland

• Botswana
• Madagascar
• Namibia
• South Africa

• New Zealand