i have data like this:
(from 1.yaml)
title: ABC
what: solo
venue: 1 Pennsylvania Ave.
when: 2018-11-12
who: Frank Zappa
(from 2.yaml)
title: XYZ
what: group
venue: 13 Pennsylvania Ave.
when: 2019-01-23
who: Captain Beefheart
i would like to show recent and upcoming events… so say things that happened a month ago, things that are ongoing, and upcoming things in the future
how can i do this