TimeCrontab

Install-Package TimeCrontab

dotnet add package TimeCrontab

var crontab = Crontab.Parse("* * * * *");
var nextOccurrence = crontab.GetNextOccurrence(DateTime.Now);

var crontab = Crontab.Parse("* * * * * *", CronStringFormat.WithYears);
var nextOccurrence = crontab.GetNextOccurrence(DateTime.Now);

var crontab = Crontab.Parse("* * * * * *", CronStringFormat.WithSeconds);
var nextOccurrence = crontab.GetNextOccurrence(DateTime.Now);

var crontab = Crontab.Parse("* * * * * * *", CronStringFormat.WithSecondsAndYears);
var nextOccurrence = crontab.GetNextOccurrence(DateTime.Now);

var secondly = Crontab.Secondly;    // 每秒
var minutely = Crontab.Minutely;    // 每分钟
var hourly = Crontab.Hourly;    // 每小时
var daily = Crontab.Daily;  // 每天 00:00:00
var monthly = Crontab.Monthly;  // 每月 1 号 00:00:00
var weekly = Crontab.Weekly;    // 每周日 00：00：00
var yearly = Crontab.Yearly;    // 每年 1 月 1 号 00:00:00

Copyright (c) 2020-2021 百小僧, Baiqian Co.,Ltd.
TimeCrontab is licensed under Mulan PSL v2.
You can use this software according to the terms andconditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:
            https://gitee.com/dotnetchina/TimeCrontab/blob/master/LICENSE
THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUTWARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.