[double post, sorry]

[ahenobarbi]

Meh, double post and can't delete -_- Anyway


http://www.giantitp.com/forums/showthread.php?t=229381

[Demonic_Spoon]

The most obvious is the Firmament Stone alchemical item from Dungeonscape pg. 35, which specifically mentions that is can be used for this.

You could also try a shrink itemed water clock(srd) or the desk clock from ghostwalk.