I have a script want to get timestamp in begin yesterday (00:00:00 GMT+0) but cannot excute this scriptdateto=$(date --date=1 days ago +%Y-%m-%d)datetoj=$(date +%s --date $dateto 07:00:00)<Im in GMT+7>How can I get timestamp this case? 
Get Timestamp 00:00:00 Yesterday in bash shell
shell script;date