New King James Version
So on a set day Herod, arrayed in royal apparel, sat on his throne and gave an oration to them.

King James Bible
And upon a set day Herod, arrayed in royal apparel, sat upon his throne, and made an oration unto them.

American Standard Version
And upon a set day Herod arrayed himself in royal apparel, and sat on the throne, and made an oration unto them.

Berean Study Bible
On the appointed day, Herod donned his royal robes, sat on his throne, and addressed the people.

Douay-Rheims Bible
And upon a day appointed, Herod being arrayed in kingly apparel, sat in the judgment seat, and made an oration to them.

English Revised Version
And upon a set day Herod arrayed himself in royal apparel, and sat on the throne, and made an oration unto them.

World English Bible
On an appointed day, Herod dressed himself in royal clothing, sat on the throne, and gave a speech to them.

Young's Literal Translation
and on a set day, Herod having arrayed himself in kingly apparel, and having sat down upon the tribunal, was making an oration unto them,

Acts 12:21 Additional Translations ...