yesterday was
Yesterday the weather was nice.
Yesterday was Monday.
Yesterday was a full moon.
Gestern war er noch bei bester Gesundheit.
Yesterday he was in perfect health.
Gestern war wirklich grauenhaft.
Yesterday was truly awful.
Gestern war Freitag, und übermorgen ist Montag.
Yesterday was Friday, and the day after tomorrow is Monday.
Yesterday was Saturday.