how to echo the day in linux code example

Example 1: datetime echo shell script

$(date '+%d/%m/%Y %H:%M:%S')

Example 2: current year bash

date +"%Y"
date +"%y"
 
## Store to a shell variable ##
mydate=$(date +'%Y')
myyear=`date +'%Y'`
echo "Year = $mydate"
echo "Year = $myyear"