"use strict"; // DateTime normal = DateTime.Now.ToUniversalTime(); // logger.LogInformation("Now - ToUniversalTime: {ticks}", normal.Ticks); // DateTime utc1970DateTime = new(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc); // logger.LogInformation("utc1970DateTime: {ticks}", utc1970DateTime.Ticks); // logger.LogInformation("Subtract: {ticks}", DateTime.Now.Subtract(utc1970DateTime).Ticks); // var epoch = new Date('1970-01-01T00:00:01'); // console.log("epoch: " + epoch.valueOf()); // var date = new Date(); // var timezoneOffset = date.getTimezoneOffset(); // console.log("timezoneOffset: " + timezoneOffset); // var secondsAfter = (date.getTime().valueOf() + timezoneOffset) * 10000; // var ticks = secondsAfter + 621355968000000000; // console.log("ticks: " + ticks); // var dateText = ticks + " - " + date.toString(); // console.log("dateText: " + dateText); // DateTime utcMeDateTime = new(1980, 1, 17, 0, 0, 0, DateTimeKind.Utc); // long meTotalSeconds = (long)Math.Floor(fileInfo.LastWriteTime.ToUniversalTime().Subtract(utcMeDateTime).TotalSeconds); let now = new Date(); let start = new Date(now.getFullYear(), 0, 0); let diff = (now - start) + ((start.getTimezoneOffset() - now.getTimezoneOffset()) * 60 * 1000); let oneDay = 1000 * 60 * 60 * 24; let day = Math.floor(diff / oneDay); console.log('Day of year: ' + day); var season = now.getFullYear() + "-"; if (day < 78) season = season + "0.Winter"; else if (day < 124) season = season + "1.Spring"; else if (day < 171) season = season + "2.Spring"; else if (day < 217) season = season + "3.Summer"; else if (day < 264) season = season + "4.Summer"; else if (day < 309) season = season + "5.Fall"; else if (day < 354) season = season + "6.Fall"; else season = season + "7.Winter"; let timezoneOffset = now.getTimezoneOffset(); let seconds = now.getTime().valueOf() + timezoneOffset; let epoch = seconds * 10000; let ticks = epoch + 621355968000000000; let dateText = seconds + " - " + ticks + " - " + now.toString(); console.log("dateText: " + dateText); console.log("end"); // epoch: 25201000 // ticks: 638665132483790000 // dateText: 638665132483790000 - Wed Nov 06 2024 10:55:58 GMT-0700 (Mountain Standard Time) // Now - To: 638665132334594771 // 638665135325760000 // 638665136814890000 // utc1970DateTime: 621355968000000000