At default, when you create a new post in blogger, will display the date of the post.
If you want the date of posting not to appear, you can do with easy.
• Login to your Blogger
• Go to Template menu
Backup your template first to avoid from mistake
• Choose Edit HTML
Will appear the warning, continue with Proceed (click on Proceed)
• Give a tick on Expand Widget Templates
• Look for the code : <b:if cond='data:post.dateHeader'> , use Ctrl+F for searching
click on figure to enlarge
• After found, delete/remove those code (see the figure, remove all inside red rectangle ).
• Click Save Template
See Also :
Easy way to hide post time in Blogger
Change Blogspot Address Using Custom Domain
Faster way to open Blogspot Pages
How to Display google maps on Blog or website