General Information › Basic Conventions and Requirements › Date Formats › Julian Date Formats

Julian Date Formats

Julian date formats include the following: yyddd, yyyyddd, yy.ddd, yyyy.ddd, yy/ddd, or yyyy/ddd. The format is:

ddd

Day of a year from 001 to 366.

yy

Calendar year from 00 to 99 this year is stored as 1900 to 1999.

yyyy

Calendar year from 1900 to 2155.

Julian dates 98000, 99000, 99365, 99366 and 99999 are also accepted in any of the previous formats. For example, you can enter the date July 19, 1997 as:

Also, as a DSCL Select or Exclude criteria, you can specify the date in the form TODAY, TODAY-n or TODAY+n, where n is a number of days in the past or future. For example:

• To select data sets created today you can enter:

  SELECT CRITERIA=(CREDT,EQ,TODAY)
  

• To select data sets modified within the last 5 days you can enter:

  SELECT CRITERIA=(MODDT,GE,TODAY-5)
  

• To select data sets not used within the last 30 days you can enter:

  SELECT CRITERIA=(USEDT,LT,TODAY-30)
  

• To select data sets expiring within the next week you can enter the following statement. Note that this will automatically bypass special expiration dates as described in EXPDT — Expiration date (date format) in the chapter "Basic System – DMS PROC."

  SELECT CRITERIA=(EXPDT,LT,TODAY+7)