I got this great idea from the yalsa-bk listserv (and most of the books on the list); since it is almost time to set our clocks forward an hour for daylight savings, here are some books that deal with time.
All the Time
11 Birthdays by Wendy Mass
Abhorsen trilogy by Garth Nix
An Acceptable Time by Madeline L'Engle
Antsy Does Time by Neal Shusterman
Book of a Thousand Days by Shannon Hale
Both Sides of Time by Caroline Cooney
The Dark is Rising by Susan Cooper
The Daughter of Time by Jospehine Tey (suggested by Andie)
The Devil's Arithmetic by Jane Yolen
Doomsday Book by Connie Willis (suggested by Andie)
The Dust of 100 Dogs by A.S. King
Einstein's Dreams by Alan Lightman
Enchantment by Orson Scott Card
The Eyre Affair by Jasper Fforde
Found and Sent by Margaret Peterson Haddix
Harry Potter and the Prisoner of Azkaban by J.K. Rowling
Here There Be Dragons by James Owen
The Hourglass Door by Lisa Mangum
The Keys to the Kingdom series by Garth Nix
King of Shadows by Susan Cooper
A Kiss in Time by Alex Flinn
Many Waters by Madeleine L'Engle
Midnighters #1: The Secret Hour by Scott Westerfeld
Pendragon series by D.J. MacHale
The Phantom Tollbooth by Norton Juster
The Prince of Fenway Park by Julianna Baggott
Running Out of Time by Margaret Peterson Haddix
Somewhere in Time by Richard Matheson (suggested by A Bookshelf Monstrosity)
The Swan Thieves by Elizabeth Kostova (suggested by Andie)
The Thief Lord by Cornelia Funke
Thornspell by Helen Lowe (suggested by Andie)
Time and Again by Jack Finney (suggested by A Bookshelf Monstrosity)
The Time Machine by H.G. Wells(suggested by Andie)
The Time Traveler's Wife by Audrey Niffenegger
Trouble with Lichen by John Wyndham (suggested by Andie)
When You Reach Me by Rebecca Stead
A Wrinkle in Time by Madeleine L'Engle
The Year of Secret Assignments by Jaclyn Moriarty
Any time-related books you want to add?
If you buy through my Amazon linkage, I will get a very small percentage