Check the color: it should be deep orange to reddish-orange, depending on the variety
Gently press the fruit: it should feel very soft if fully ripe
Look for a translucent, glossy skin rather than a dull one
Smell the fruit: a ripe persimmon often has a sweet, fragrant aroma
Check the stem area: it should look dry and intact
Avoid fruit with green patches if the variety is meant to be eaten soft
If it is astringent, wait until it is fully soft before eating
If it is non-astringent, it can be eaten when firm but still fully colored
A ripe persimmon may feel heavy for its size
If the flesh gives easily and feels jelly-like, it is ripe