Date module for Drupal 7 - Screenshots

 Download last version from
http://drupal.org/project/date
and activate:
Date , Date API and Date Tools

After you must click on :
 "The Date API requires that you set up the site timezone and first day of week settings and the date format settings to function correctly." 

admin/config/regional/date-time 

Related Modules:

Calendar

This module will display either Date field or system dates in a calendar.

Date iCal

This project will contain code and features needed to either import or export dates using iCal feeds.

Partial Date

This module tries to solve the problem of 'Fuzzy dates' -- dates where you don't know ahead of time if all values of the date will be provided. It also attempts to provide a solution for BC dates.

Signup

This module provides a system to allow users to sign up for a node that has a date field, including administrative reports and email notifications to the users.

CCK Signup

An alternative to the Signup module that creates signups as nodes.

Registration

A brand new alternative to Signup and Signup CCK that creates signups as entities.