Note that the days of the week are not capitalized in French. Also, all days are masculine (le, un). Sometimes expressions involving the days are translated similarly as in English.
Expressions Involving the Days of the Week (Like English)
French
English
tout la journée mardi
all day Tuesday
tous les dimanche
all Sunday / every Sunday
However, some are not as easily translated.
Expressions Involving the Days of the Week (Unlike English)
French
English
lundi passé
last Monday
mardi en huit
next Tuesday
vendredi en quinze
two weeks from Friday
De bonne heure samedi matin
early Saturday morning
When saying an event occurs or has occured on a certain, be sure to put le in front of it.
Event Occuring on a Day
French
English
Le lundi, j'aime aller à la pêche.
On Mondays, I like to go fishing.
Le dimanche, on va à l'église.
On Sundays, we go to church.
Le mardi, j'ai vendu mon char.
On Tuesday, I sold my car.
Months in a year
Les mois de l'année
French
English
janvier
January
février
February
mars
March
avril
April
mai
May
juin
June
juillet
July
août
August
septembre
September
octobre
October
novembre
November
décembre
December
Also, note that the months of the year are masculine.
Seasons
Les saisons de l'année
French
English
Le printemps
Spring
L'été
Summer
L'automne
Autumn/Fall
L'hiver
Winter
Again, note that the seasons are masculine. When we talk about events occuring during a month, it is a little different than days of the week.
Event Occuring on a Day
French
English
En été, l'équipe pratique beaucoup.
During Summer, the team practices a lot.
Au printemps, ma mère passe du temps dans le jardin.
In the Summer, my mother spends her time in the garden.
En hiver, on aime voyager.
In winter, we like to travel.
En automne, les enfants commence l'école.
In Fall, the children start school.
See that Summer (printemps) is different from the rest of the seasons. It will use au instead of en.