There are two ways to abbreviate "Saturday": Long abbreviation (Sat.) and Short abbreviation (S)
There are two ways to abbreviate "Saturday":
Long abbreviation (Sat.)
Emma has a doctor's appointment scheduled for this Sat.
Short abbreviation (S)
Dinner party on S
While these abbreviations are quite popular in American and British English, we recommend using the shortest form only if space is limited. For example, you can use it to write quick notes, diagrams, charts, or tables.
My wife and I are going to a concert this Sat.
Training session on S
Additionally, ensure it is obvious to readers which day you are referring to.
Open for business this S.
Open for business this Sat./Saturday.
Why do we put a period after "Sat."? MLA style recommends using a period in this case because the abbreviation ends in a lowercase letter. By contrast, if the abbreviation is composed exclusively of capital letters, like "S", we usually omit the period.
Olivia's birthday is on a Sat./S this year.
Be also aware that we always capitalize Saturday, even if it is abbreviated.
I'll see you on Sat.
I'll see you on sat.
When writing the rest of the days of the week, follow the same abbreviation strategy: