¿Qué día es? = What day is it?
¿Qué día es hoy? = What day is it today? (Preferred Spanish sentence)
Que dia tenemos hoy
Comó es tu día?
What day is it - ¿qué día es él? or, what day is today - ¿qué día es hoy?
¿Cuál es tu día de nacimiento
I think you mean to ask what was Tenochtitlan named after the Spanish conquered the Aztec Empire. The locationis the same as present day Mexico City.
"How is your day?" in Spanish is "¿Cómo está su día?" It is pronounced "KO-mow eh-STA sue DEE-ah?" Please see this site for confirmation of the translation: http://www.answers.com/library/Translations
¿Cómo fue tu día? would be how did your day go to someone you know well. To ask someone you don't know well or should show respect to, say ¿Cómo fue su día?
"What is today's date?" in Spanish is, "¿Cúal es la fecha de hoy?" It is pronounced, "Quall ess lah FAY-cha day oy?" Sites such as learn-spanish.co.il provide audio pronunciations of many common Spanish words.
¿Cuál es tu/su día más favorito de la semana?
The Spanish word for day is día.
ask a spanish person to teach you
you ask her politely for it ;)