Quelle est ta leçon préférée? means - what (or which) is your favourite lesson?
"Il est quelle heure" means "What time is it?" in French.
"est de quelle nationalité ?" is a question asking about citizenship. You can typically find that on legal or administrative forms (state your country of nationality)
"Quelle est la date de naissance" means "What is the date of birth" in French.
"Quelle est la date de ta fete?" translates to "What is the date of your celebration?" in English.
de quelle couleur est-ce / est-il / est-elle ? -
It means, " How dare you fart in my cooler."
'mais quelle est cette ...' means but what is this (thing) / who is this (person).
"Il est quelle heure" means "What time is it?" in French.
It means- What time is it?
quelle heure est-il ? However nowadays we prefer to say 'have you got the time?' in French too rather than quelle heure est-il: Vous avez l'heure? Tu as l'heure? are more commun.
"est de quelle nationalité ?" is a question asking about citizenship. You can typically find that on legal or administrative forms (state your country of nationality)
Quelle est ton nationalite means 'What is your nationality'
"quelle couleur est-ce ?"de quelle couleur est cet objet ? : what colour is that object?
It means literally "at what hour" or at what time.
"Quelle est la date de naissance" means "What is the date of birth" in French.
Il est quelle huere? (What time is it)
What is the date? is the translation for Quelle est la date.