Herne Bay skipper Laurence Harvey grabbed the winner deep into stoppage time to settle this lively Isthmian south east encounter at Oaklands Park.
Lloyd Rowlatt scored the only goal of the game as Chichester ground out back-to-back league wins in the same week for the first time this season.
First half goals from Callum Overton and Lloyd Rowlatt, and a resilient defensive display after the break, helped Chichester to an impressive win against in-form Burgess Hill.
January ended for Chichester, as it began, with a 1-0 defeat against a fellow Sussex side.
An 81st minute Lloyd Rowlatt equaliser snatched a point for Chichester against county rivals Whitehawk in a frenetic match that Hawks boss Ross Standen described as a “basketball game”.
Chichester were knocked out of the Velocity Trophy by Folkestone Invicta as the Isthmian premier division promotion contenders grabbed five second half goals.
Chichester bounced back to winning ways in the league with Ryan Davidson grabbing the only goal of the game in the sixth minute.
Chichester advanced to the quarter finals of the Sussex Principal RUR Charity Cup following a comfortable win at Oaklands Park against Steyning Town.