# htpdate > Synchronize local date and time via HTTP headers from web servers. > More information: . - Synchronize date and time: `sudo htpdate {{host}}` - Perform simulation of synchronization, without any action: `htpdate -q {{host}}` - Compensate the systematic clock drift: `sudo htpdate -x {{host}}` - Set time immediate after the synchronization: `sudo htpdate -s {{host}}`