It ranges quite a lot depending on how much time I have and how shattered I feel after work. Most days it's about 15 - 20mins the average time it takes me to do the daily chores of digging and checking fossils, watering plants, checking shops and selling stuff. I try and do at least one day where I stay on from 9 until 11ish to earn some money catching bugs on the island. And then I have days when I'm bored and just wonder round aimlessly doing not a huge amount. Like today haha.