I don't think this would take a day to get exactly as this pattern but if you have pretty good PC specs with high-end GPU you can maybe get this within a day it's an 8-characters if the 1i is not included, if it is included it would take more time to find this exact vanity address.

There's a guide on how to use VanitySearch if you are interested in the guide you can check from the link below.

- https://bitcointalk.org/index.php?topic=5144752.0

For VanityGen check this link below

- https://bitcointalk.org/index.php?topic=5096373.0