For Ramadan Moon Sighting Dua:

اللَّهُمَّ أَهْلِلْهُ عَلَيْنَا بِالْيُمْنِ وَالإِيمَانِ وَالسَّلاَمَةِ وَالإِسْلاَمِ رَبِّي وَرَبُّكَ اللَّهُ

Allahumma ahlilhu `alainā bil-yumni wal-iman, was-salamati wal-Islam, rabbi wa rabbuk Allah

O Allah, bring it over us with blessing and faith, and security and Islam. My Lord and your Lord is Allah.

Tirmidhi: 3451

• For Fasting - Sehri Dua - 1

بِسْمِ اللَّهِ

Bismillah

In the name of Allah

NOTE: There is no reference in Hadith for this Dua.

• For Fasting - Sehri Dua - 2

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

NOTE: There is no reference in Hadith for this Dua.

• For Breaking 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.

Abu Dawud: 2357

• For Breaking Fast - Iftar Dua - 2

اللَّهُمَّ لَكَ صُمْتُ وَعَلَى رِزْقِكَ أَفْطَرْتُ

Allahumma laka sumtu wa ala rizq-ika-aftartu

O Allah! For You I have fasted and upon your provision, I have broken my fast.

Abu Dawud: 2358

For Someone who provides you Iftar

أَفْطَرَ عِنْدَكُمُ الصَّائِمُونَ وَأَكَلَ طَعَامَكُمُ الأَبْرَارُ وَصَلَّتْ عَلَيْكُمُ الْمَلاَئِكَةُ

Aftara ‘indakumus-saimun, wa akala ta’amakumul-abrar, wa sallat ‘alaikumul- mala’ikah

May the fasting (men) break their fast with you, and the pious eat your food, and the angels pray for blessing on you

Ibn Majah: 1747