Every Tuesday we cook tacos for dinner
I love tacos, Tuesday is the day after Monday but before Wednesday, that's the perfect day for tacos!
Exactly!  It's close enough to the beginning of the week to make it a special treat day
Internationally, Tuesday is regarded as the second day of the week!
Are the days of the week the same all over the world?
Tuesday
Tuesday is the day of the week between Monday and Wednesday. According to international standard ISO 8601, Monday is the first day of the week and so Tuesday is the second day of the week. According to some commonly used calendars, however, especially in the United States, Sunday is the first day of the week and so Tuesday is the third day of the week. The English name is derived from Old English "Tiwesdæg" and Middle English "Tewesday," meaning "Tīw's Day", the
Taco Tuesday
Taco Tuesday is a custom in many US cities of going out to eat tacos or in some cases select Mexican dishes typically served in a tortilla on Tuesday nights. Restaurants will often offer special prices, for example, "$1 fish tacos every Tuesday night". It is popular in many big cities across the nation and especially popular in the beach cities of Southern California. Taco Tuesday is similar to Happy Hour in that restaurants vary in their participation, hours, and specials offered.
Taco John's