****** 7days ago
vi /root/date.sh
#!/bin/bash
aa=`TZ=ROK+$((6*24+15)); date +%Y%m%d`
echo $aa
# ./date.sh
20181119
***** 10days ago
#!/bin/bash
aa=`TZ=ROK+$((9*24+15)); date +%Y%m%d`
echo $aa
# ./date.sh
20181126
How do I get result, 10 days ago in solaris?