on the island of gust in the northwestern see.
wind temple
the ice temple is on the isle of frost
the hourglass itself
Legend of Zelda 1-First Temple Phantom Hourglass- Temple of ICE Oracle of Seasons-Explorer's Crypt.
you get it in the temple of courage at modlia island
its in the last temple for the pure metal
In the temple
in the ice temple on frozen island
you go into the temple of fire and its there
Do the rest of the temple obviously.
go to the temple of courage
You beat the isle of gust.