Dover Athletic maintained their 23-point lead at the top of the Ryman Premier Division by beating Hendon 3-0.
Sam Moore and Shaun Welford both scored late in the first half and Frannie Collin made the game safe on 77 minutes.
"We're getting closer (to the title) because another game passes by" manager Andy Hessenthaler told BBC Radio Kent.
Other Kent winners were Margate, Whitstable and VCD Athletic.
Margate moved up to 19th in the Ryman Premier Division with a 2-0 win over Tooting. Wayne Wilson and Ryan Peters scored second-half goals for the gate. Manager Terry Yorath said: "Today's game was very important. With teams near us having games postponed it was a game we had to win."
Dartford's first game since selling top scorer Cody McDonald to Championship side Norwich City was a 0-0 draw at Heybridge. Manager Tony Burman told BBC Radio Kent: "We came out with our run intact, that's five clean sheets in five league games. We had to be careful as teams who are bottom of the league often provide the hardest games."
A win would have put Dartford into the play-off zone for the first time this season. The draw means they remain sixth.
Whitstable won an exciting game 3-2 over fellow strugglers Corinthian Casuals. It means Whitstable are now six points above the relegation zone. David Cory, who scored twice, said: "Obviously we needed the points, it was important we got a result on a tough pitch which was difficult to pass on."
Welling, Bromley, Tonbridge, Ashford, Cray, Chatham and Thamesmead all had their games postponed. Sittingbourne's match at Dulwich on Friday night also fell foul of the weather.
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