Answer:
I am a time for gathering crops. Remove the first three letters and I become an object you can wear.
Open me, and you can't see me without a mirror. Close me and you can't see me at all. What am I?
I am shared by goats devils and unicorns.
I am the only thing that place today before yesterday. (one word)
You can read me both ways I wear; One way it's a number reversed a snare.
The profession of Jimi Hendrix and Eric Clapton