Hashing algorithm for dates

Question

Which would be a good hash algorithm for hash dates, for example. 24/12/09 and 31/10/89?

Dates will range from 1950 to 2050.

Is it possible to use a unix timestamp?

Answer 1

You can use the number of days instead of the number of seconds since starting Unix Epoch. Just calculate:

<unix timestamp> / 86400