The phrase 'le avoir algebre j'matin' isn't conversational or written French. It instead is text messaging for Having algebra [class] Thursday morning. The definite article/personal pronoun 'le' means 'him/her/it]' or 'the'. The verb 'avoir' means 'to have'. The noun 'algebre' means 'algebra'. The noun 'j' stands for 'jeudi', which means 'Thursday'. The noun 'matin' means 'morning'.
le matin
The English meaning of the French phrase 'avoir le cafard' is to be feeling down, sad or depressed. In the word-by-word translation, the infinitive 'avoir' means 'to have'. The article 'le' means 'the', and is found before a masculine singular noun. And 'cafard' means ... 'cockroach'!
"Le matin" is French for in the morning.
Le Matin - France - was created in 1883.
Le Matin - France - ended in 1944.
Le Matin - Acadian - was created in 1986.
Le Matin - Acadian - ended in 1988.
Le Matin - Haiti - was created on 1907-04-01.
Le Matin de Paris was created in 1977.
Le Matin de Paris ended in 1987.
"Dans l'avant-midi" or "Pendant l'avant-midi"
Le dernier matin in French means "the last morning" in English.