| Italic Title: | The Happy Day |
| Author: | Ruth Krauss |
| Illustrator: | Marc Simont |
| Publisher: | Harper & Brothers |
| Pub Date: | 1949 |
| Pages: | unpaged |
| Awards: | Caldecott Honor |
The Happy Day is a 1949 picture book written by Ruth Krauss and illustrated by Marc Simont. In the book woodland creatures awake to find that it is spring. The book was a recipient of a 1949 Caldecott Honor for its illustrations.[1]