Domoticz Skrypt blockly

Witam napisał sobie prosty skrypt i chciałem go rozbudować o zamykanie 15 min po zachodzę słońca i walczę już z tym  parę dni i dalej nic może mi ktoś podpowie jak to zrobić     

<xml xmlns=" usunięty link "><block type="domoticzcontrols_if" id="D];bC%|bpehzU+ecrWHm" x="183" y="170"><value name="IF0"><block type="logic_timeofday" id="hAI-D~PK9Ia9tjVLY=_u"><field name="OP">EQ</field><value name="Time"><block type="logic_sunrisesunset" id="e-cljX[r2$1M.}5=}$[X"><field name="SunriseSunset">Sunset</field></block></value></block></value><statement name="DO0"><block type="logic_set" id="QTK(okoba[Cj.xL33##z"><value name="A"><block type="switchvariablesAF" id="O!B6IiShHC);QP()Fnro"><field name="Switch">348</field></block></value><value name="B"><block type="logic_states" id="ocM5QAFjkNCM97wYCuKW"><field name="State">On</field></block></value><next><block type="logic_setafter" id="vY.D3-y%AefEDgvd]E[,"><value name="A"><block type="switchvariablesAF" id="[I:utVfJb{PuZnYIE9WJ"><field name="Switch">348</field></block></value><value name="B"><block type="logic_states" id="-[0Mc91Op%^dr76ECU3z"><field name="State">Off</field></block></value><value name="C"><block type="math_number" id="J8LDoK6e3Z$J/u/$q:m="><field name="NUM">9</field></block></value></block></next></block></statement></block></xml>