I don't remember the exact details of the temple, so there is a very good website I use for walkthroughs myself. The link is below:
http://www.zeldadungeon.net/Zelda12-phantom-hourglass-walkthrough-02.php#2_2
There may be the occasional typo, but I think you'll understand what they are saying.
Find the candles at the door to get in and blow on them.
You don't really get through it you just get to the end of the part you can go to right now, but you have to come back several times to completely finish it.
go north,east,east,north,north
yes you get them in pyramid island temple
beat the pyramid temple
you get the hammer in pyramid island
isle of ruins in the king's pyramid
the hammer is in the island that is in the 4th sea chart in the pyramid island.
finish goron temple, ice temple, and pyramid temple
The 4rth sea chart
no no no
phantom hourglass is released in 2007.
up, right, right, up, and then up
which part