How can you tell wheather an egg 1 day old or 2 days old? Can you tell?
Sure! Wait til they hatch then a 1 day old egg was 2 days ago and a 2 day old egg was 1 day ago! :-D
0 days, 1 day, 2 days hard to say. On 3 it will start to bend over. At 3 1/2 it will hatch.