New International Version
At that time I, Daniel, mourned for three weeks.

American Standard Version
In those days I, Daniel, was mourning three whole weeks.

Berean Study Bible
In those days I, Daniel, was mourning for three full weeks.

Douay-Rheims Bible
In those days I Daniel mourned the days of three weeks.

English Revised Version
In those days I Daniel was mourning three whole weeks.

King James Bible
In those days I Daniel was mourning three full weeks.

World English Bible
In those days I, Daniel, was mourning three whole weeks.

Young's Literal Translation
'In those days, I, Daniel, have been mourning three weeks of days;

Daniel 10:2 Additional Translations ...