Enter you therein in peace and security; this is a Day of

﴿ٱدۡخُلُوهَا بِسَلَٰمٖۖ ذَٰلِكَ يَوۡمُ ٱلۡخُلُودِ ﴾
[قٓ: 34]

Enter you therein in peace and security; this is a Day of eternal life

﴿ادخلوها بسلام ذلك يوم الخلود﴾ [قٓ: 34]

Hamid S Aziz
Enter you therein in peace, this is the day of Eternal Life (or Immortality)

John Medows Rodwell
Enter it in peace: this is the day of Eternity

Literal
Enter it with safety/security/peace, that (is) the immortality`s/eternity`s day/time

Mir Anees Original
(It will be said to him): “Enter it in peace, that is the eternal day.”* * Period

Mir Aneesuddin
(It will be said to him): “Enter it in peace, that is the eternal day(Period).”