Answer:
My first keeps time, my second spends time, my whole tells time.
Youโll have me at night and if you remove the first letter I denote the top, such as on a train
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has handsอพ lacks a head but has a face.
In we go, out we go. All around and in a row. Always, always steady flow. When we'll stop, you'll never known. In we go, out we go.
I'm full of holes, yet I'm full of water.
I stay where I am when I go off. What am I?