Looker Studio calculated field – Older date from a date field

The Looker Studio (ex Google Data Studio) calculated field below returns the older date from a date dimension. The min date in other words.

Most recent date

PARSE_DATE("%Y%m%d",MIN(Date))

• Explanations of the formula step by step
  1. Get the older date of the date field using MIN function that returns a numeric output
  2. Parse the numeric to cast it as a date using PARSE_DATE function

• Input
  • Any date type dimension
• Output
  • The older date
• Used functions
  • MIN
  • PARSE_DATE