Qur'an Verses for Prayers

103:1-3, Al Asr
By (the token of) time(through the ages)
Verily Man is in loss
Except such as have faith and do righteous deeds and join together,
in the mutualteaching of truth and of practice and constancy

11:114, Hud
Establish regular prayers at two ends of the day and at the approaches of the night.
"Zulafun" plural of Zulfatun,
Three approaches of night
Asr
Maghrib
Isha
Two approaches of the day
Fajr
Zuhr

17:78-79, Al Isra
1. Sun's decline till darkness of night
2. Morning prayer and read Qu'ran
3. Small watches of the morning, additional prayer- Tahajjud

20:120, Ta Ha
Praise the lord
1. Before the rising of the sun- Fajr
2. Before its setting- Asr
3. Part of the hours of the night; Maghrib (early night, just after sunset)
Isha(Before going to bed)
4. and at the sides, 'Taraf" indefinite side or middle of the day.

30:17-18, Al Rum
Pray- 1. Evening-Maghrib
2. Morning-Fajr
3. Late afternoon- Juhr
4. When the day begins to decline-Asr