format for hour format. Use 12 to make it 12-hour format. By default it is set to 24-hour format
second(Optional) for adding or not adding seconds parameter to end. If input is set as n or N then the seconds parameter won't be shown. Otherwise for any input or blank it is to show seconds by default.
punc for punctuation between time parameters. This is default between both. Currently the default is :
punc1(Optional) for for punctuation between hours and minutes parameter. By default not used.
punc2(Optional) for for punctuation between minutes and seconds parameter. By default not used.
tz-display for display of bracketed users timezone. If used y or Y then another parameter will be added. For example {{User:Pratyya Ghosh/Time|tz=+6|tz-display=y}} will show as 18:00:28 (UTC+06:00). By default it is not used.
purge-display for display of a subscripted purge link. If used y or Y then another parameter will be added. For example {{User:Pratyya Ghosh/Time|tz=+6|purge-display=y}} will show as 18:00:28 (purge). By default it is not used.
The current purge button in the template is not included by default in any place. It's just for this page. If you need to use the purge button then you need to use the purge-display parameter.