بِسْمِ اللَّهِ
Bismillah
In the name of Allah
وَبِصَوْمِ غَدٍ نَّوَيْتُ مِنْ شَهْرِ رَمَضَانَ
Wa bisawmi ghadinn nawaiytu min shahri Ramadan
I intend to keep the fast for tomorrow in the month of Ramadan
Dua