For, as you may realize, it has only been twelve days since I went up to worship in Jerusalem
Other versions
King James Version
Because that thou mayest understand, that there are yet but twelve days since I went up to Jerusalem for to worship.English Standard Version
You can verify that it is not more than twelve days since I went up to worship in Jerusalem,New International Version
You can easily verify that no more than twelve days ago I went up to Jerusalem to worship.