O Allah, make this day of mine the best day I have lived. — Morning Adhkar
اللَّهُمَّ اجْعَلْ يَوْمِي هَذَا خَيْرَ يَوْمٍ عِشْتُهُ
Transliteration: Allaahummaj-'al yawmee haadhaa khayra yawmin 'ishtuh
Translation: O Allah, make this day of mine the best day I have lived.
Reference: General supplication