Dua (prayer) for keeping a fast at the time of Sehri (Niyaat/ Intention)
Wa bisawmi ghadinn nawaiytu min shahri ramadan
Dua (prayer)for breaking a fast at the time of Iftari
Allahumma inni laka sumtu wa bika aamantu [wa 'alayka tawakkaltu] wa 'ala rizq-ika aftarthu
See here for the arabic:
"http://www.deenislam.co.uk/dua/Ramadhan/Ramadhan%20Dua%27s.htm">
http://www.deenislam.co.uk/dua/Ramadhan/Ramadhan%20Dua%27s.htm
Inshallah don't forget to make dua when you open your fast, if you are stuck for ideas you could try:
Allahumma innee as-alooka bi-rahmatee-kallatee wa-see-aat kulla shay-in an-tagh-fi-ra-lee.
O Allah, I ask You by Your mercy which envelops all things that You forgive me.
