six days, the sixth day

I go to the library.

私は図書館へ行きます

I go to the library by bicycle.

私は自転車で図書館へ行きます

I go to the library by bicycle with my friend.

私は友達と自転車で図書館へ行きます

I go to the library by bicycle with my friend early in the morning.

私は朝早く友達と自転車で図書館へ行きます

I go to the library by bicycle with my friend early in the morning for six days.

私は六日間朝早く友達と自転車で図書館へ行きます