I can't figure out what my gender is

I have identified as agender for a long time, but that doesn't feel quite right to me. Sometimes I feel like a trans dude, but that only ever lasts for a day. I don't think I'm genderfluid because my gender only "changes" from agender to transmasc and it doesn't last very long. Do you guys think I'm just a trans guy or is there more to it? I've never really been comfortable with the more complex or "rare" labels so it's hard for to figure out what I am ;-; 

I think I could be transmasc. Most people don't even see me as agender though, how could I identify as trans when people only see me as a girl? Shit, even my own friends probably do.