Global Holidays and Traditional Cultural Events

TimeAndDate (public holidays, calendar, world clock, to calculate duration between two dates)
Contains Public Holliday and calendar. To get the public holidays: First Pick year and Country (on the right side of the page), then click the Create Calendar button. You will get a full year calendar. At the bottom the calendar, you will find the Public holidays.(You may find certain holidays are still working days).

EarthCalendar (cultural events)
Holiday definition in this site is any day that recognizes a cultural event. So, it contains more days than public holidays for each country. From start page you can easily get which country or region has holiday or cultural event in today.