iCal Expressions

 

FREQ=DAILY;BYHOUR=4,5,6,7,8,9,10,11,12,13,14,15,16,17,18;BYMINUTE=0,10,20,30,40,50;BYSECOND=0;

FREQ=MONTHLY;BYMONTHDAY=1,10,15;BYHOUR=5,10,15,20;BYMINUTE=15;

FREQ=YEARLY;INTERVAL=3;BYMONTH=3;BYDAY=2,22;

<Every Three years on May 2nd and 22nd >

BYYEARDAY

BYWEEKNO

BYMONTH

BYSETPOS

WKST

FREQ= “SECONDLY” / “MINUTELY” / “HOURLY” / “DAILY”/ “WEEKLY” / “MONTHLY” / “YEARLY”

hour = 1DIGIT / 2DIGIT ;0 to 23

weekday = “SU” / “MO” / “TU” / “WE” / “TH” / “FR” / “SA”