Answer:
Brings the sky a lot closer.
It's in your hand though you cannot feel it. Only you and time can reveal it.
How many months of the year have 28 days?
Mouth up it gets filled, mouth down it gets empty.
Each morning I appear to lie at your feet, all day I follow no matter how fast you run. Yet I nearly perish in the midday sun.
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?