Let us explore more details about the date today, various day formats, sunrise time, sunset time, moon constellation for today and more. Around the world, there are 2 main ways of writing a date with numbers only. The American way of writing the date is "month-day-year", whereas the European way is "day-month-year". Dates can also be expressed in a multitude of other ways. Some companies require the use of RFC dates. Below are some examples.