When defining the call rule Contact List Column condition with a Relative Time comparator, leave the contact column blank or enter a date-time in one of the formats listed here.

Format Example
yyyy-MM-dd 2017-07-15
yyyy-MM-ddTHH:mm 2017-07-15T15:45
yyyy-MM-ddTHH:mmZ 2017-07-15T15:45Z
yyyy-MM-ddTHH:mm+HH:mm 2017-07-15T15:45+05:00
yyyy-MM-ddTHH:mm-HH:mm 2017-07-15T15:45-05:00
yyyy-MM-ddTHH:mm:ss 2017-07-15T15:45:00
yyyy-MM-ddTHH:mm:ssZ 2017-07-15T15:45:00Z
yyyy-MM-ddTHH:mm:ss+HH:mm 2017-07-15T15:45:00+05:00
yyyy-MM-ddTHH:mm:ss-HH:mm 2017-07-15T15:45:00-05:00
yyyy-MM-ddTHH:mm:ss.SSS 2017-07-15T15:45:00.000
yyyy-MM-ddTHH:mm:ss.SSSZ 2017-07-15T15:45:00.000Z
yyyy-MM-ddTHH:mm:ss.SSS+HH:mm 2017-07-15T15:45:00.000+05:00
yyyy-MM-ddTHH:mm:ss.SSS-HH:mm 2017-07-15T15:45:00.000-05:00

Where:

T precedes a time value. Any value with a time must begin with T.

Z = the time value is Greenwich, England, or UTC time.

+ = the time zone offset is east of Greenwich, England.

– = the time zone offset is west of Greenwich, England.

yyyy = a four-digit year

MM = a two-digit month, 01 – 12

dd = a two-digit day, 01 – 31

HH = a two-digit hour, 00 – 23

mm = a two-digit minute, 00 – 59

ss = a two-digit second, 00 – 59

SSS = a 3-digit millisecond, 000 – 999