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PM> Install-Package Shuttle.Core.Cron
Provides cron expression parsing. This implementation starts from the minute field (so no second).
public CronExpression(string expression) : this(expression, DateTime.Now)
public CronExpression(string expression, DateTime date)Creates a CronExpression instance and parses the given expression. The date specifies to root date from which to determine either the next or previous occurrence.
public DateTime NextOccurrence()
public DateTime NextOccurrence(DateTime date)Returns the next date that would follow the given date. If no date is provided the root date will be used. This method also sets the root date to the result.
public DateTime GetNextOccurrence(DateTime date)Returns the next date that would follow the given date.
public DateTime PreviousOccurrence()
public DateTime PreviousOccurrence(DateTime date)Returns the previous date that would precede the given date. If no date is provided the root date will be used. This method also sets the root date to the result.
public DateTime GetPreviousOccurrence(DateTime date)Returns the previous date that would precede the given date.
Format is {minute} {hour} {day-of-month} {month} {day-of-week}
{minutes} : 0-59 , - * /
{hours} : 0-23 , - * /
{day-of-month} 1-31 , - * ? / L W
{month} : 1-12 or JAN-DEC , - * /
{day-of-week} : 1-7 or SUN-SAT , - * ? / L #
Examples:
* * * * * - is every minute of every hour of every day of every month
5,10-12,17/5 * * * * - minute 5, 10, 11, 12, and every 5th minute after that