Does the clipping of nails nullify ablution?
No, it does not, and it is preferable to wash the hands afterwards.
Which hour coincides with the last third of the night?
This hour could be figured out by calculating the number of night hours which start at sunset, and end at dawn break, then the total is divided on three to get the result.
What can a menstruating woman do on Laylat al-Qadr?
If a menstruating woman engages in remembrance of Allah (dhikr), supplication (du‘a), and sincere devotion, she has indeed observed Laylat al-Qadr. She may also listen to the Quran from audio sources such as the radio or television.
What are the Sunnah acts of fasting?
● Delaying Suhoor (pre-dawn meal) as long as there is no risk of Fajr beginning.
● Hastening Iftar (breaking the fast) immediately after confirming sunset.
● Performing I‘tikaf, especially during the last ten nights of Ramadan.
● Reciting the Quran frequently.
● Avoiding idle and useless talk.
● Being generous and charitable.
● Guarding oneself from desires.
● Purifying oneself from major impurity (janabah) before Fajr.