Find Command - by date/age

EXAMPLES NEWER THAN:
find -newermt "1 day ago"
find -newermt "3 day ago"
find -newermt "100 day ago" -ls
find -newermt "1 month ago"
find -newermt "2 months ago"
find -newermt "1 year ago"
find -mtime -1 -ls #1 day
find -mmin -5 #5 minutes
find -newermt "Feb 1"

OLDER THAN:
find -mtime +1 -ls
find -mmin +5 #5 minutes

BETWEEN TWO DATES
find -newermt "2019-01-01" ! -newermt "2019-02-01" -ls
find -newermt "feb 1" ! -newermt "march 1" -ls