Authentic Supplication Number 019.

The Prophet  used to teach his companions, saying: "As anyone of you enters upon morning let him say: 'Allahumma bika 'asbahna, wa bika 'amsayna, wa bika nahya, wa bika namuto, wa 'ilayka 'an-nushooru (35); and when he enters upon evening let him say: 'Allahumma bika 'amsayna,wabika 'asbahna wa bika nahya, wa bika namuto, wa 'ilayka 'al maseeru (36).

Footnotes.
(35) O' my Allah, by You we entered upon morning, by You we entered upon evening., by You we live, by You we die, and to You is the resurrection.

(36) O' my Allah, by You we entered upon evening, by You we entered upon morning, by You we live, by You we die, and to You is the destiny.

Reporters.
Reported by At-Tirmithi and he said it was comely-sound. Al-Albani agreed but he said that the addition of what to say at night was sound, yet reported by Ibn Majah not At-Tirmithi. Al-Albani included this hadeeth in The Authentic of Good Sayings as #19.