No do a choice of intervals like any of these 1-2-5-10or15-30-45-60 intervals and you will get the rough times but remember this you can NEVER look at the clock while you are timing yourself internally. Just put a timer and try and predict how closer you are eventually you will get really good estimates. I have had a 2 hour wait and was only 15 minutes off it’s actually pretty good.
No do a choice of intervals like any of these 1-2-5-10or15-30-45-60 intervals and you will get the rough times but remember this you can NEVER look at the clock while you are timing yourself internally. Just put a timer and try and predict how closer you are eventually you will get really good estimates. I have had a 2 hour wait and was only 15 minutes off it’s actually pretty good.