Manual:$wgForcedRawSMaxage

Details
Default maximum age (in seconds) for raw CSS/JavaScript accesses.

Time cheat sheet

 * 300 =
 * 2700 =
 * 3600 =
 * 54000 =
 * 86400 =
 * 518400 =
 * 604800 =
 * 1814400 =
 * 2419200 =
 * 14515200 =
 * 26611200 =
 * 29030400 =