I kid you not I went through the same thing 48 hours ago. When my car didn't start on Friday afternoon when I went to leave work. My boss had to give me a jump.
I have a 2013 spark too!
Whatever you do, DO NOT go to the dealership, they charge like $160 for a diagnostic test. Yeah right, I dropped mine off at our family mechanic's shop at 4:45pm so I had to leave it overnight. Saturday morning they ran a diagnostic test and charged my battery to test it.
He called me later in the morning so I can go pick up my car before 1pm. He said I need a new batter