another update:
I added sunrise and sunset as well as day and night duration.
The data is stored in global variables at 2 min past midnight
If you are going to use it don't forget to change the coordinates in CronPlus
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tag;\nlet nacht_total = duration_str(nacht);\nlet tag_total = duration_str(tag);\n//msg.payload = \"Tag: \" + tag_total + \" / \" + \"Nacht: \" + nacht_total;\nglobal.set('day', tag_total );\nglobal.set('night', nacht_total);\nreturn {payload: Date.now()};\n\n//------------------------------------------------------------------\n\nfunction duration_str(sec) {\n const t = sec;\n const h = (Math.floor(t / 3600)).toString();\n const m = (Math.floor(t % 3600 / 60)).toString();\n// let s = (Math.floor(t % 3600 % 60)).toString();\n// let r = h + \":\" + (\"0\" + m).slice(-2) + \":\" + (\"0\" + s).slice(-2);\n return (h + \":\" + (\"0\" + m).slice(-2));\n}\n\n//------------------------------------------------------------------","outputs":1,"timeout":"","noerr":0,"initialize":"","finalize":"","libs":[],"x":1360,"y":1660,"wires":[["309f9dc9691ecaba"]]},{"id":"b05d8fc1eba5f1aa","type":"function","z":"5d5731ac89f86d92","g":"6d124ca2da58ee9f","name":"sunrise","func":"let sunrise = date_time_string(msg.payload.sunrise);\nglobal.set('sunrise', sunrise);\nreturn{payload:msg.payload.sunrise}\n\nfunction date_time_string(t) {\n const date = new Date(t);\n const day = date.getDate().toString().padStart(2, '0');\n const month = (date.getMonth() + 1).toString().padStart(2, '0');\n const year = date.getFullYear().toString();\n const hours = date.getHours().toString().padStart(2, '0');\n const minutes = date.getMinutes().toString().padStart(2, '0');\n const seconds = date.getSeconds().toString().padStart(2, '0');\n return `${hours}:${minutes}`;\n}","outputs":1,"timeout":0,"noerr":0,"initialize":"","finalize":"","libs":[],"x":1080,"y":1580,"wires":[["7f6c8e7146fbc56e"]]},{"id":"19c90b73105bc945","type":"function","z":"5d5731ac89f86d92","g":"6d124ca2da58ee9f","name":"sunset","func":"let sunset = date_time_string(msg.payload.sunset);\nglobal.set('sunset', sunset);\nreturn{payload:msg.payload.sunset};\n\nfunction date_time_string(t) {\n const date = new Date(t);\n const day = date.getDate().toString().padStart(2, '0');\n const month = (date.getMonth() + 1).toString().padStart(2, '0');\n const year = date.getFullYear().toString();\n const hours = date.getHours().toString().padStart(2, '0');\n const minutes = date.getMinutes().toString().padStart(2, '0');\n const seconds = date.getSeconds().toString().padStart(2, '0');\n return `${hours}:${minutes}`;\n}","outputs":1,"timeout":0,"noerr":0,"initialize":"","finalize":"","libs":[],"x":1070,"y":1620,"wires":[["6fbdf85639ef4f85"]]},{"id":"309f9dc9691ecaba","type":"delay","z":"5d5731ac89f86d92","g":"6d124ca2da58ee9f","name":"","pauseType":"delay","timeout":"5","timeoutUnits":"seconds","rate":"1","nbRateUnits":"1","rateUnits":"second","randomFirst":"1","randomLast":"5","randomUnits":"seconds","drop":false,"allowrate":false,"outputs":1,"x":1560,"y":1660,"wires":[["8e8a6a45d83c3474"]]},{"id":"8e8a6a45d83c3474","type":"link out","z":"5d5731ac89f86d92","g":"6d124ca2da58ee9f","name":"sun-data-out","mode":"link","links":["950da9e6221c062b"],"x":1675,"y":1660,"wires":[]},{"id":"7f6c8e7146fbc56e","type":"link out","z":"5d5731ac89f86d92","g":"6d124ca2da58ee9f","name":"sunrise-out","mode":"link","links":[],"x":1175,"y":1580,"wires":[]},{"id":"6fbdf85639ef4f85","type":"link out","z":"5d5731ac89f86d92","g":"6d124ca2da58ee9f","name":"sunset-out","mode":"link","links":[],"x":1175,"y":1620,"wires":[]}]
