This is the 762nd most frequent Icelandic word.
miðvikudaginn
"Wednesday."
In this sentence, 'miðvikudaginn' is used in the accusative case to denote 'Wednesday' as part of a time reference, indicating the specific day of activity.
Við förum í sund miðvikudaginn næsta.
We are going to the swimming pool next Wednesday.
Here, 'miðvikudaginn' implies a point in the past, indicating a previously occurred event on Wednesday.
Ég hitti vin minn á miðvikudaginn.
I met my friend on Wednesday.
In this case, 'miðvikudaginn' is referring to an upcoming Wednesday, specifying the day as the subject of a future action or event.