If you've reloaded the game on PC lately, that achievement will credit. If you're referring to the mobile version, that achievement isn't in the current mobile build that is out there.
Hi Meputi! Thank you for signing up for the Idols Times! Our program is currently sending out all the emails for this afternoon's newsletter, so your Welcome email got tossed onto the back of the queue. Once the bulk emails are sent, then yours will show up. It will probably be a couple hours yet.
 "Idle Snowflakes"){kind=icon}
 "Scream Collector"){kind=icon}
 "Burrito Bison: Launcha Libre"){kind=icon}
 "Slurpy Derpy Classic"){kind=icon}
 "Crusaders of the Lost Idols"){kind=icon}
 "Forge of Gods"){kind=icon}
 "Super Duck Punch!"){kind=icon}
 "Critter Forge"){kind=icon}
 "Amorphous+"){kind=icon}
 "The Tickler"){kind=icon}
 "Music Catch 2"){kind=icon}
 "Tangerine Panic!"){kind=icon}
Yes that's right ... time keeps going forward as you evolve (and will as you devolve in the next updates too!)