For instance for a grow journal here. Would you consider Day 1 being the day you started germinating the seed, the day you planted them in soil, or the day they finally broke the surface of the soil?
like everyone else said, its all up to you and you'll notice everyone does this differently. It really doesnt matter just keep track of what your doing and just watch it, amount of days is pointless and means nothing if the plant IS or IS NOT ready.. You know what I mean..
Just some random seed. I don't remember when or where or who i got it from. Though I typically don't keep seeds from bags unless its really good shit. So I'm crossing my fingers.