Dua for Opening Fast (Iftar)
Dua 1
ذَهَبَ الظَّمَأُ وَابْتَلَّتِ الْعُرُوقُ وَثَبَتَ الأَجْرُ إِنْ شَاءَ اللَّهُ
Dhahaba al-zama' wa abtalat al-'urooq wa thabata al-ajr in sha Allaah
Thirst is gone, the veins are moistened and the reward is certain if Allaah wills.
Source: Abu Dawud: 2357
Dua 2
اللَّهُمَّ لَكَ صُمْتُ وَعَلَى رِزْقِكَ أَفْطَرْتُ
Allahumma inni laka sumtu wa ala rizq-ika-aftartu
O Allah! For You I have fasted and upon your provision, I have broken my fast.
Source: Abu Dawud: 2358