If you are a fan of Dr. Who, or if you just like seeing what crafty new Easter Eggs those crazy Googlers can come up with, then you need to check this out. Apparently, if you bring up your Google Now voice search and ask "When am I?" (make sure you add the question mark), you will get a quite intriguing response. This response will be an obvious Dr. Who reference.
We won't spoil it by giving it away, so make sure to try it out if you are curious. If for some reason you can't get it to work, hit up the source link below for a video demonstration. Enjoy!
Source: Phandroid