How are Christians assured of their salvation during the Day of the Lord?

Assurance of salvation for Christians during the Day of the Lord comes primarily through faith in Jesus Christ and His redemptive sacrifice. In the gospel age, believers are called to trust in the accomplished work of Christ, who fulfilled the will of God by justifying sinners and satisfying divine justice through His death. The effectiveness of this salvation is confirmed by the Spirit of God, who operates in believers’ hearts to affirm their standing before God. Thus, those who are washed in the blood of Christ are guaranteed a place in the Kingdom, and will be able to confidently approach Him at His second coming as His redeemed people.