Nox.Cron

Convert an English phrase to a CRON expression for .NET

var cron = "11:34 on 13 June".ToCronExpression().ToString(); // 34 11 13 6 *

To install from nuget.org

dotnet add package Nox.Cron

Examples:

English Phrase	Output
at 5:15am on 13 June	15 5 13 6 *
at 5:15pm on christmas	15 17 25 12 *
Daily at 02:00 CET	0 1 * * *
Daily at 02:00 UTC	0 2 * * *
Daily at 02:00	0 2 * * *
On Mondays and Fridays at 14:00	0 14 * * 1,5
Every Hour Mondays to Fridays	0 * * * 1-5
Every 30 minutes	*/30 * * * *
Every Hour Mondays to Fridays and Sundays	0 * * * 1-5,0
Every Hour Mondays to Fridays and Sundays in October and December	0 * * 10,12 1-5,0
Every 5 minutes	*/5 * * * *
Every 5 minutes from January to June	*/5 * * 1-6 *
Every 3 months on the 2nd at 8am	0 8 2 */3 *
Every 3 months on the 2nd and 4th at 8am	0 8 2,4 */3 *
At 5pm on even days	0 17 2-30/2 * *
At 5pm on odd days	0 17 1-31/2 * *
every 3rd day at 2:55 am from January to August	55 2 */3 1-8 *
Every Tuesday at 15:00	0 15 * * 2
every day at 9am	0 9 * * *
every 6 hours	0 */6 * * *
each day	0 0 * * *
5:15am every Tuesday	15 5 * * 2
new year	* * 1 1 *
at 5 pm	0 17 * * *
5 pm	0 17 * * *
13 June at 11:34	34 11 13 6 *
11:34 on June 13	34 11 13 6 *
11:34 on Mondays and Fridays	34 11 * * 1,5
11:34 on 13 June	34 11 13 6 *
11:34 on 13 and 16 June	34 11 13,16 6 *
never	0 0 31 2 0
(blank)	0 0 31 2 0