What am I ?
Day of Ashura
I am the smallest part, only a hand, yet I stand in front of the Almighty.
according to the Quran "And nothing is hidden from your Lord (so much as) the weight of an atom on the earth or in the heaven" (Islam related)
Before water, I am a sea, yet I live in a city.
Water in the Holy Quran In Islam, life and knowledge originated from water, but possibly you are referring to zamzam well (located in Mecca [a city]) (islam related)
I am the tenth,
Ashura is a Muslim religious celebration that falls on the tenth day ofMuharram (the first month of the Islamic year) in the Islamic calendar. On this day Muslims are prohibited from eating, drinking and engaging in conjugal sexual relationships from dawn to sunset.
and the one after me can grab things.
At the end of Ramadan there’s a big three-day celebration called Eid alFitr, or the Festival of the Breaking of the Fast. It's kind of like the Muslim version of Christmas, in the sense that it's a religious holiday where everyone comes together for big meals with family and friends, exchanges presents, and generally has a lovely time.