Day

Extract the day of the month from a time expression.

Syntax

Day(t1)

Arguments

• t1

  time expression enclosed in single quotes

Returns

The day of the month of a time expression in the range 1 through 31

Exceptions

None

Example

• Day('*')

  [Return what day of the month today is]

• Day('y')

  [Return what day of the month yesterday was]

• Day(FindEq('att1', '-28d', '*', 50))

  [Return what day of the month it was when the value of 'att1' was first equal to 50 in the past 28 days]