Yes, any time spent in custody is counted as a day incarcerated.
You can turn yourself in, get fingerprinted and post bond and leave in two hours and that will count as a one day credit for time served.
https://www.inmateaid.com/ask-the-inmate/when-you-are-at-a-reception-facility-do-you-get-day-counted-as-a-credit-towards-your-release#answer
Accepted Answer Date Created: December 17,2014