Zmóžńće JavaScript we wobhladowaku, zo byšće strony pomocy za LibreOfficeDev pokazał.
System Date and Time
The following functions and statements set or return the system date and time.
Returns the current system date as a string, or date variant.
Returns the current system date and time as a Date value.
This function returns the current system time as a string in the format "HH:MM:SS".
Returns a value that specifies the number of seconds that have elapsed since midnight.