A random month, day, and year.
Use this as a birthday generator. Just subtract some amount of years to account for age.
Making plans without a set date? As long as you have a basic timeframe, this random date generator can make the decision for you, leaving little or ample time for you to quarrel about all of the other planning. Even if you're organizing a party or event of a little less significance.
Date AND Time
You can also generate a random time.