Midsummer is the period of time in the middle of the summer. The exact dates vary among different cultures. The celebration predates Christianity, and existed under different names and traditions around the world.
Eid al-Adha • عيد الأضحى. The first two days are observed.
Rosh Hashanah • ראש השנה is sunset through next sunset.
Yom Kippur • יוֹם כִּיפּוּר is nightfall the first day and all day the second day.
Diwali (or Deepawali) is observed on the first two days: 4th for the south and 5th for the north (generally).
The Thursday is the observed Thanksgiving Day and the following Friday is typically also taken off. Many in USA will travel during the four-day weekend.
Day off for New Year's Eve and New Year
While Tues & Wed are the official dates ("Fat Tue" + "Ash Wed"), in Brazil a long holiday is observed: Sat-Wed (at least - some people get the full week off). Learn more here: https://en.wikipedia.org/wiki/Brazilian_Carnival
Eid is the equivalent of Christmas in Muslim communities. It is a time of festive celebration, and food feasts following the holy month of Ramadan. Muslims observe it by offering Eid-prayers and visiting family, giving presents to children and charity…