Get database creation date on PostgreSQL

Question

I want to get the Database creation date in POSTGRESQL. My version is 9.3.4 running on Ubuntu 14.04. Can I do it with a select statement or can I do it with acc

Answer 1

I completely agree with Craig Ringer (excellent answer!)... but for my purposes , this is good enough:

SELECT (pg_stat_file('base/'||oid ||'/PG_VERSION')).modification, datname FROM pg_database;

Simple and clean (but superuser).